Products & Services
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Supplier: TFC Ltd.
Description: Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings.
- Features: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Construction: Spiral Back-up Ring
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Supplier: Trelleborg Sealing Solutions Americas
Description: Back-up Rings are installed together with O-Rings and Quad-Ring® / X-Rings to prevent gap extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut or uncut designs in filled or unfilled PTFE, Turcon®, elastomers and thermoplastics
- Shaft O.D. or Seal I.D.: 0.11417329 inch
- Maximum Operating Speed: 98.4251968503935 ft/min
- Maximum Operating Pressure: 36,259.20983929925 psi
- Operating Temperature: -328 to 500 F
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Supplier: Hi-Tech Seals, Inc.
Description: Back-up rings are plastic or rubber rings used to prevent the O-ring from entering the clearance gap. When high pressures are exerted on the O-ring its soft rubber material can be forced into the clearance gap caused the O-ring to extrude. The hard
- Operating Temperature: -328 to 482 F
- Features: Back-up Ring
- Construction: Back-up Ring is Contoured, Spiral Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Shenzhen Dechengwang Technology Co., Ltd
Description: Back-up Rings Solid Rings Split Rings Spiral Wound Back-up rings come in a variety of materials such as: PTFE, filled PTFE, PEEK. Types of Back-up Rings Solid Rings Split Rings Spiral Wound
- Features: Back-up Ring, Oil / Grease Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polyetheretherketone (PEEK), Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Trelleborg Sealing Solutions Americas
Description: Back-up Rings are installed together with O-Rings and Quad-Ring® Seals to prevent gap extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut or uncut designs in filled or unfilled PTFE, Turcon®, elastomers and thermoplastics based on ISO
- Shaft O.D. or Seal I.D.: 0.11417329 inch
- Maximum Operating Speed: 98.4251968503935 ft/min
- Maximum Operating Pressure: 36,259.20983929925 psi
- Operating Temperature: -328 to 500 F
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Supplier: T-LON Products, Inc.
Description: T-Lon is now offering a line of PTFE spiral back-ups. We are making available the three most popular spiral ring series of 28782, 28783, and the TF171 series. These will compliment our popular standard split and solid backups in 28774, 27595 series and the metric "G" &
- Features: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Construction: Spiral Back-up Ring
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. the amount of this extrusion is adffected b y O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The
- Shaft O.D. or Seal I.D.: 0.109 to 15.502 inch
- Housing Bore Diameter or Seal O.D.: 15.738 inch
- Axial Cross Section or Thickness: 0.108 inch
- Radial Cross Section: 0.236 inch
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The
- Shaft O.D. or Seal I.D.: 0.08 to 15.502 inch
- Housing Bore Diameter or Seal O.D.: 15.738 inch
- Axial Cross Section or Thickness: 0.108 inch
- Radial Cross Section: 0.236 inch
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The
- Shaft O.D. or Seal I.D.: 0.9842525 to 12.992133 inch
- Housing Bore Diameter or Seal O.D.: 13.385834 inch
- Axial Cross Section or Thickness: 0.07480319 inch
- Features: Back-up Ring
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Supplier: Greene, Tweed & Co.
Description: This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up
- Features: Back-up Ring, External / Piston Seal, Internal / Rod Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Greene, Tweed & Co.
Description: This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up
- Features: Back-up Ring, External / Piston Seal, Internal / Rod Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Description: Rectangular cross section. For static and dynamic use. Reciprocating and rotating movements possible. Material: PTFE. Back-up Rings are installed together with O-Rings and Quad-Ring® Seals to prevent extrusion in applications above 5 MPa / 725 psi. Available
- Shaft O.D. or Seal I.D.: 0.3149608 to 8.267721 inch
- Radial Cross Section: 0.12204731 to 0.48425223 inch
- Maximum Operating Pressure: 3,625.92098392993 psi
- Operating Temperature: -328 to 500 F
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Supplier: Greene, Tweed & Co.
Description: Greene, Tweed’s new 43 back-up ring series has been specifically designed for use in AS5857 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types. A variety of high-performance materials can be provided and
- Features: Back-up Ring, External / Piston Seal, Internal / Rod Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Greene, Tweed & Co.
Description: Greene, Tweed’s new 43 back-up ring series has been specifically designed for use in AS5857 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types. A variety of high-performance materials can be provided and
- Features: Back-up Ring, External / Piston Seal, Internal / Rod Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Accuris
Description: RING GASKET, BACK-UP, PTFE
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Supplier: Accuris
Description: Hydraulic and Pneumatic Retainers (Back-Up Rings), Polytetrafluoroethylene (PTFE) Resin
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Supplier: Accuris
Description: (R) Hydraulic and Pneumatic Retainers (Back-Up Rings), Polytetrafluoroethylene (PTFE) Resin
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Supplier: Accuris
Description: Ring, Gasket, Back-up, PTFE
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Supplier: SAE International
Description: This specification and part standard covers polytetrafluoroethylene (PTFE) resin material and the dimensional requirements for retainers (back-up rings) previously covered by MIL-R-8791 and MIL-R-8791/1. The retainers are intended for use in hydraulic and pneumatic system
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Supplier: Jinshiling (Heyuan) Technology Co., Ltd.
Description: PTFE back up ring are also capable of enduring high pressure situations without deforming. This ensures a reliable seal, and prevents system leaks. They improve the efficiency and reliability by adding an extra layer of protection to the gap between sealing elements.
- Operating Temperature: -328 to 500 F
- Features: Back-up Ring, Hydraulic / Pneumatic Seal, Oil / Grease Seal
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: SAE International
Description: This SAE Aerospace Standard (AS) covers solid polytetrafluoroethylene (PTFE) retainers (back-up rings) for use in static glands in accordance with AS5857. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with
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Supplier: SAE International
Description: This Aerospace Standard (AS) covers scarf-cut polytetrafluoroethylene (PTFE) retainers (back-up rings) for use in static glands in accordance with AS5857. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with
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Supplier: SAE International
Description: This Aerospace Standard (AS) covers scarf-cut polytetrafluoroethylene (PTFE) retainers (back-up rings) for use in static glands in accordance with AS5857. They are for use in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with
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Supplier: Hallite Seals International Ltd.
Description: ups in PTFE, polyurethane, and 90 IRHD nitrile rubber. Polyester backup rings are available coloured orange as standard. Other colours are available on request. Please contact your local Hallite sales office for further information.
- Shaft O.D. or Seal I.D.: 0.062 to 18 inch
- Housing Bore Diameter or Seal O.D.: 0.25 to 18.25 inch
- Operating Temperature: -65 to 275 F
- Features: Back-up Ring
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Supplier: Hi-Tech Seals, Inc.
Description: The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting
- Operating Temperature: -328 to 500 F
- Features: Back-up Ring
- Construction: Back-up Ring is Contoured
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM - Viton®, Fluorel®, etc.), Nitrile (NBR - Buna-N), Polyetheretherketone (PEEK), Polytetrafluoroethylene (PTFE- Teflon®, etc.), Polyurethane / Urethane
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Supplier: Kelco Industries
Description: competitive price. Some of the products that we supply to these applications include: Rod Seals Rotating Seals Guide Rings Back-up Rings Piston Seals Wiper seals Cutting/Jointing Capabilities Scarf Cut Seals Step Cut Seals Butt Cut Seals Gap Cut Rings Custom Cuts
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Supplier: AGC Chemicals Americas, Inc.
Description: service ranging from liquid oxygen to fuming nitric acid, in severe wear pads for railway cars, and for self-lubricating compressor rings for non-aluminum cylinders. The most common applications include bearings, gaskets, V-rings, O-rings, back-up rings,
- Industry: Automotive
- Filler: Carbon / Graphite, Metal, Mineral
- Chemical System: Fluoropolymer (PTFE / PVDF)
- Type: Molding Resin, Thermoplastic
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Description: material, Metal U-rings can be used in working conditions such as high temperature (up to 800°C), cryogenic (low to -270°C), high pressure (up to 1500kgf/cm2), high vacuum (up to 1E-9 mmHg) and other extreme working conditions of static sealing. Applications: Aerospace
- Temperature: -454 to 1,472 F
- Pressure: 0 to 21,755.52590357955 psi
- Outside Diameter: 0.2362206 to 177.16545 inch
- Application / Industry: Aerospace, Chemical & Processing, Cryogenic Application, MIL-SPEC, Nuclear, Oil & Gas, Piping and Valves, Power Generation, Vacuum Application
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Description: material, these metal ring seals can be used in working conditions such as high temperature (up to 800°C), cryogenic (low to -270°C), high pressure (up to 1500kgf/cm2), high vacuum (up to 1E-9 mmHg) and other extreme working conditions of static sealing. Sonkit Metal
- Temperature: -454 to 1,472 F
- Pressure: 0 to 36,259.20983929925 psi
- Outside Diameter: 0.5118113 to 177.16545 inch
- Application / Industry: Aerospace, Chemical & Processing, Cryogenic Application, Nuclear, Oil & Gas, Piping and Valves, Power Generation, Vacuum Application
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Description: structure and material, Metal C-rings can be used in working conditions such as high temperature (up to 800°C), cryogenic (low to -270°C), high pressure (up to 1500kgf/cm2), high vacuum (up to 1E-9 mmHg) and other extreme working conditions of static sealing.
- Temperature: -454 to 1,472 F
- Pressure: 0 to 21,755.52590357955 psi
- Outside Diameter: 0.2362206 to 177.16545 inch
- Application / Industry: Aerospace, Chemical & Processing, Cryogenic Application, MIL-SPEC, Nuclear, Oil & Gas, Power Generation, Semiconductor, Vacuum Application
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Supplier: Trelleborg Sealing Solutions Americas
Description: A heavy duty compact double-acting piston seal, the Polypac® PHD / CST Seal is an elastomer energized PTFE assembly. It gives stability, wear resistance, sealability, low friction and a maintenance-free long life. HiMod® Back-up Rings are specially designed to protect the
- Shaft O.D. or Seal I.D.: 1.968505 to 7.086618 inch
- Maximum Operating Speed: 295.2755905511805 ft/min
- Maximum Operating Pressure: 5,801.47357428788 psi
- Action: Double Acting
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Supplier: Radwell International
Description: BALL VALVE, 1/2 INCH PIPE, PTFE BACK-UP RING MATERIAL, 316 STAINLESS STEEL, WEDGE HANDLE, FNPT X FNPT END CONNECTIONS, VITON SEAL. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Ball Valves
- Primary Material: Stainless Steel, Steel
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Supplier: Radwell International
Description: SEAL KIT, NITRILE, KIT INCLUDES: 2 NBR U-SEALS, 2 URE BACK UP RINGS, 2 PTFE TUBE END SEALS, FOR N5C-1.5X6-B-1-2X-S-H-N-2-2-X. FREE 2 YEAR RADWELL WARRANTY
- Seal Application: Pump
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Supplier: Hi-Tech Seals, Inc.
Description: The T-seal comes in both piston (TPO) and rod (TRO) styles, and can be installed in standard O-ring grooves. The T-seal is a double acting seal. The Back-up rings and sturdy base help prevent extrusion and spiralling up to 5,000 PSI. Standard T-seals are composed
- Shaft O.D. or Seal I.D.: 1.126 to 13.27 inch
- Housing Bore Diameter or Seal O.D.: 14 inch
- Operating Temperature: -99.4 to 449.6 F
- Action: Double Acting
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Description: movement, it is often interchangeable with an O-Ring and Back-up Ring.
- Shaft O.D. or Seal I.D.: 0.1181103 to 9.842525 inch
- Axial Cross Section or Thickness: 0.09448824 to 0.37401595 inch
- Maximum Operating Speed: 2,952.7559055118 ft/min
- Maximum Operating Pressure: 2,900.73678714394 psi
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as: PTFE, filled PTFE, PEEK. Types of Back-up Rings Solid Rings Split Rings Spiral Wound (read more)
Browse Hydraulic Seals and Pneumatic Seals Datasheets for Shenzhen Dechengwang Technology Co., Ltd -
efficiency. Ideal for industrial sealing systems, PTFE and PEEK back-up rings offer reliable anti-extrusion protection, boosting seal (read more)
Browse Oil Seals and Grease Seals Datasheets for Shenzhen Dechengwang Technology Co., Ltd -
Precision Polymer Engineering manufactures custom back-up rings to match your specifications.
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Browse Back-up Rings Datasheets for Precision Polymer Engineering Ltd. -
! Become a Dealer Ring up sales and profits by selling your customers the polish they prefer…Simichrome! It’s the polish they’ve read about. And the polish they’ve seen advertised for years in leading consumer and industry magazines (read more)
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PTFE V-rings are primarily utilized for sealing on hydraulic cylinder plungers and piston rods, presses, valve spindles, and controllers. Good sealing performance is ensured by the numerous sealing lips and the extensive contact surfaces. Benefit The seal (read more)
Browse V-ring Seals Datasheets for Shenzhen Dechengwang Technology Co., Ltd -
JETSEAL's patented metal Super C-Seal is designed as an alternative to spring loaded C-Seals for applications requiring higher spring back and a (read more)
Browse Metal Ring Seals Datasheets for JETSEAL, Inc. -
pump systems get you back into production more rapidly. We follow up with extensive technical support and analysis team to help your maintenance team get set up with the least amount of hassle, frustration, and delays. Our team will help you with pump selection to get the correct option for your (read more)
Browse Vacuum Pumps and Vacuum Generators Datasheets for Vooner FloGard LLC -
prevent axial movement within a groove. In many applications such as electric motors, automotive drivetrains, and aerospace actuators, assemblies require more than basic retention. Conditions like tolerance stack-up, vibration, and endplay require retaining rings that apply (read more)
Browse Retaining Rings and Snap Rings Datasheets for Rotor Clip Company, Inc. -
, the slip ring transmits three-phase AC power to the pitch motors located inside each rotating blade hub, while simultaneously carrying back real-time encoder signals for precise blade angle positioning, temperature sensor data, and control communication (e.g., CAN bus, PROFIBUS). Its 50A high (read more)
Browse Slip Rings Datasheets for JiuJiang Ingiant Technology Co., Ltd. -
petroleum fluids. Available in other forms for hydraulic seals such as u-cups, vee packings, wipers and back-up rings and special sealing rings. Petrloeum fluids. Water. Silicone fluids. Ehylene glycol. Amines. (read more)
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Conduct Research Top
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VICTREX (R) PEEK Meets NORSOK M710 Compliance and Continues to Aggressively Test its Polymers in Support of Industry-Leading Test Standards
Geoff Small, Victrex Technical Program Manager. The use of elastomeric seals and thermoplastic back up. rings is commonplace in the oil and gas industry with. ever increasing levels of ingenuity and sophistication. in their design and application. At the core of these. critical components
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NORSOK M-710 For Thermoplastic Sealing Material For Oil And Gas Industry Certified
The PTFE based and PEEK based materials are commonly used in the industry in the form of Turcon Variseal, back up rings and support rings.
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NORSOK M-710 For Thermoplastic Sealing Material For Oil And Gas Industry Certified
The PTFE based and PEEK based materials are commonly used in the industry in the form of Turcon Variseal, back up rings and support rings.
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Assessment of polymer composites for hydrodynamic journal‐bearing applications
The theory concerning transfer of material from the block to the steel ring is backed up by measure- ments showing that the steel rings gain mass during the tests. For the babbitt and pure PTFE , comparing the relative mass loss/gain for the block and ring, respectively …
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http://dspace.mit.edu/bitstream/handle/1721.1/57575/655346548-MIT.pdf?sequence=2
the friction between the o- ring mounted on the back face of the stopper and the end cap resulted in a gradual tightening of the end cap when the rod was rotated clockwise and caused the reactor to seize up . Because of this, the PTFE o-rings pictured in Figure 13 were found to be better suited …
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Determination of aliphatic amines in air by membrane enrichment directly coupled to a gas chromatograph
The PTFE blocks were backed up with aluminium blocks tightened together by6 screws. In addition, an O- ring encircling the outside of tN spiral channel ensures a tight seal.
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High-Pressure Gas Swivel To Enhance Production From Floating Units
… seal application have been performed and resulted in the selection of glass fibre PTFE as the material … To counteract this phenomenon, it may be necessary to use back up anti-extrusion rings ; trade-off between anti-extrusion characteristics and other parameters such as wear and friction had to be performed.
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Bookshelf and Unified Agenda > Department of Health & Human Services > National Institute for Occupational Safety and Health > NIOSH Manual of Analytical Metho...
Remove and discard back sorbent sections of samplers and media blanks. b. Pull up PTFE retainer ring to prevent trapping of spiking solution under ring.
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A bifunctional stopcock-winch device in cells for infrared investigations of solids
The piston is sealed by a PTFE "O" ring (E) backed The sample holder suspended on the wire (A) can be lifted up and .
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National Highway Traffic Safety Administration - 49 CFR - Part 572 - Anthropomorphic Test Devices.
A right shoulder set- up would be a mirror image of that shown in Figure W6. Seat the dummy on the qualification bench described in Figure V3 of 49 CFR 572.194, the seat pan and seat back surfaces of which are covered with thin sheets of PTFE (Teflon) (nominal stock thickness: 2 to 3mm) ( / to ⅛in … … bolts (part #5000010) that connect the upper arm assembly (020–9750) to the shoulder ball retaining ring (020–3533).