1/4 NPT Plugs, Stoppers, and Inserts

ADP Series - Threaded Aluminum Plugs for Flareless Tube and Hose Assemblies -- Item # ADP-4
from Arizona Sealing Devices, Inc.

Series ADP Plugs have a dimpled nose section that forms a low pressure seal with flareless tube ends. The addition of a neoprene shoulder gasket enables the ADP-GN to provide a positive seal on the spot face of the O-ring port. Gaskets are also optionally available in Butyl or Buna N rubber. [See More]

  • NPT Thread: 1/4" NPT
  • Features: Threaded
  • Shape / Application: Round
  • Material: Aluminum
Plastic Threaded Plugs for NPT Pipe Fittings -- P-28
from Caplugs

The P Series plugs are available in six different styles for tapered and straight threads. Designed to keep out moisture, dirt and other contaminants in pipe fittings. Material: High-density polyethylene. Standard Color: Red [See More]

  • NPT Thread: 1/4" NPT
  • Material: Polyethylene (PE)
  • Features: Threaded
EZP Series (NPT Plugs) -- EZP 152
from Daemar Inc.

These tapered plugs were designed to cap NPT fittings, but have a universal design ideal for a variety of applications. These durable, multi-use plugs have a flange for easy installation and removal. Material: Low-Density Polyethylene Colour: Orange [See More]

  • NPT Thread: 1/4" NPT
Nylon Hole Plug -- 8600 [8600 from Keystone Electronics Corp.]
from Heilind Electronics, Inc.

Type: Hole Plug. Style: Solid. Material: Nylon. Hole Diameter: .250 [6.4] [See More]

  • NPT Thread: 1/4" NPT
  • Material: Nylon
  • Shape / Application: Round
NPT Male Plug
from HydraCheck Inc.

For use with the Pressure/Leak, Hand-operated Pump. These HydraCheck pressure/leak test connectors are designed exclusively for pressure/leak testing components with NPT connectors – you are ready to test!. Comes with STAUFF Test 20 connector. [See More]

  • NPT Thread: 1/4" NPT; 3/8" NPT; 1/2" NPT; 3/4" NPT; 1" NPT; 1 1/4" NPT; 1 1/2" NPT
  • Features: Threaded
  • Shape / Application: Round; Screw Cap or Plug
Nylon Hole Plug -- 8600
from Keystone Electronics Corp.

Type: Hole Plug. Style: Solid. Material: Nylon. Hole Diameter: .250 [6.4] [See More]

  • NPT Thread: 1/4" NPT
  • Material: Nylon
  • Shape / Application: Round
Hex Socket Flange Head Screw Plugs - Steel -- SFF
from NBK America LLC

Screw plugs for high-power hydraulic applications. SFF is made of steel and can be used in highpressure applications up to 49 MPa. [See More]

  • NPT Thread: 1/8" NPT; 1/4" NPT; 3/8" NPT; 1/2" NPT; 3/4" NPT; 1" NPT
  • Fitted Depth: 0.3937 to 0.8268
  • Features: Threaded
  • Material: Steel
Vent Plug with Deflector, 1/4" Male NPT -- A3229-2
from Oil-Rite Corp.

Vent plugs with Deflectors feature a sturdy one-piece construction, safe for use anywhere. They are used on bearings, gear boxes, reservoirs, and any application where pressure or vacuum relief is necessary. They can also be used as filler plugs. This vent plug features a splash deflector to prevent... [See More]

  • NPT Thread: 1/4" NPT
  • Material: Steel
  • Features: Threaded; Vented
1216205
from RS Components, Ltd.

Steel threaded blanking plugs with sealing ring available in various size G thread fittings. Manufacturer Series = B. Threaded Connection = G 1/4. Material = Steel. Threaded Connection - Thread Size = 1/4in. Threaded Connection - Thread Standard = G. Product Type = Pipe Plug with Sealing Ring. [See More]

  • NPT Thread: 1/4" NPT
  • Material: Steel
1/4-18 NPT Commercial Grade Hex Thread Plug, Natural -- AP032518N
from Ark-PlasĀ® Products, Inc.

Our Commercial Grade Fittings are molded for ease of use in application. No special tools or ferrules are required for fitting insertion. Ark-Plas ® Commercial Grade Fittings fit the need when a low cost, high performance fitting is required that is both cost efficient and reliable. With high... [See More]

  • NPT Thread: 1/4" NPT
  • Features: Threaded; Knurled
  • Shape / Application: Screw Cap or Plug
  • Fitted Depth: 0.7200
Pipe Plug Fittings
from International Polymer Solutions Inc.

Pressure Ratings: Performance at ambient room conditions: 120 psi for 1/16 ” fittings linear decreasing to 80 psi for 3/4 ” fittings and 60 psi for fittings larger than 3/4". Performance at elevated temperatures up to 85 ºC/185 ºF: 90 psi for 1/16 ” fittings linear... [See More]

  • NPT Thread: 1/8" NPT; 1/4" NPT; 3/8" NPT; 1/2" NPT; 3/4" NPT; 1" NPT; 1 1/2" NPT; 1/16 NPT
  • Features: Tapered
  • Shape / Application: Round
  • Diameter: 0.4400 to 2
P Series -- P-12
from Polymer Molding, Inc.

Designed similar to the tapered series, the P Series has the added feature of a pull-tab located on the top of the flange. Typical wall thickness: .032. Color: Blue. Material: Low Density Polyethylene. LDPE service temperature: 150 ° F (66 ° C). RoHS Compliant [See More]

  • NPT Thread: 1/4" NPT
  • Features: Threaded; Tapered; Flange; Pull Tab
  • Shape / Application: Round
  • Straight Thread: 1/2" Standard Threaded