O Rings - Imperial
from TFC Ltd.

Material: Nitrile rubber. Standard: BS 1806. Other sizes are also available in Viton, Silicone, Flurosilicone, Ethylene Propylene (EDPM), Neoprene, NWC, FEP, High Nitrile and food grade materials in a variety of shore hardness ’s. Contact our sales department for further details. [See More]

  • O-ring Size: Available in British Standard metric sizes (e.g. 'BS')
  • O-ring Features: FDA Approved or 3A Sanitary Classification (optional feature)
  • O-ring Material: Ethylene Propylene (EPDM) (optional feature); Flurosilicone (optional feature); Neoprene (optional feature); Nitrile (Buna-N); Silicone (optional feature); Viton® (Fluorocarbon) (optional feature)
O-Rings
from ACE Seal, LLC

Global supplier of o-rings, all standard sizes in stock [See More]

  • O-ring Size: Available in all 'AS568A-' standard sizes (001-475); Available in all 'AS568A-' boss gasket sizes (901- and up); Available in British Standard metric sizes (e.g. 'BS'); Available in JIS standard sizes (e.g. G, P, S and V ); Custom
  • O-ring Hardness (Durometer): 30 durometer (optional feature); 35 durometer (optional feature); 40 durometer; 45 durometer; 50 durometer; 55 durometer; 60 durometer; 65 durometer; 70 durometer; 75 durometer; 80 durometer; 85 durometer; 90 durometer
  • O-ring Material: AflasTM; Butyl; Cast Polyurethane; Ethylene Propylene (EPDM); Flurosilicone; Fluorocarbon / Fluorosilicone Blend; HSN; Kalrez®; Neoprene; Nitrile (Buna-N); SBR (Buna-S); Silicone; Teflon®; Teflon®-encapsulated Nitrile; Teflon®-encapsulated Silicone; Teflon®-encapsulated Viton®; Viton® (Fluorocarbon)
  • O-ring Features: FDA Approved or 3A Sanitary Classification; Peroxide Cured; MILSPEC
Metric Size
from ERIKS USA

Metric size o-rings [See More]

  • O-ring Size: Available in British Standard metric sizes (e.g. 'BS'); Custom
  • Custom Inside Diameter (ID): 0.0453 to 41.1
  • Custom Width (W) or 'Thickness': 0.0028
  • O-ring Material: Ethylene Propylene (EPDM); Flurosilicone; HSN; Kalrez®; Neoprene; Nitrile (Buna-N); Viton® (Fluorocarbon); Other
B Series
from Escort Seal USA

B series o-rings, many material options [See More]

  • O-ring Size: Available in British Standard metric sizes (e.g. 'BS')
  • O-ring Hardness (Durometer): 70 durometer; 80 durometer; 90 durometer
  • O-ring Material: Ethylene Propylene (EPDM); Neoprene; Nitrile (Buna-N); Polyurethane (Millable); Silicone; Teflon®; Viton® (Fluorocarbon); Other (ACR)
O-Rings -- MA7
from Hi-Tech Seals, Inc.

The U.S. Air Force first regulated O-ring sizing under the system AS-568. A properly designed O-ring groove allows the O-ring to be squeezed diametrically out-of-round even before the application of pressure. The O-ring is the most widely adopted seal in history because of its simplicity, low cost,... [See More]

  • O-ring Size: Available in British Standard metric sizes (e.g. 'BS')
  • O-ring Hardness (Durometer): 70 durometer
  • O-ring Material: AflasTM
FEP O-Ring
from Trelleborg Sealing Solutions

Good chemical resistance coupled with elastic properties and low friction [See More]

  • O-ring Size: Available in all 'AS568A-' standard sizes (001-475); Available in British Standard metric sizes (e.g. 'BS')
  • O-ring Hardness (Durometer): 60 durometer (optional feature); 65 durometer (optional feature); 70 durometer (optional feature); 75 durometer (optional feature); 80 durometer (optional feature); 85 durometer (optional feature); 90 durometer (optional feature)
  • O-ring Material: Fluorocarbon / Fluorosilicone Blend (optional feature); Silicone (optional feature)