1/8 NPT Plugs, Stoppers, and Inserts

20 Results
Barrel Plugs with Flange -- BPF70
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Black), LDPE (Natural). General Purpose Plug Designed to Protect Threads, Ports or Fittings from Damage, Debris and Contaminants. Flanged for Easy Removal [See More]

  • NPT Thread: 1/8" NPT; 1/8
  • Straight Thread: M10
  • Features: Threaded; Flange
  • Overall Length: 0.2362
125 15-5PH High Strength Lee Plug®
from Lee Co. (The)

This member of our classic Lee Plug family is designed to seal passageways in high strength, high hardness materials such as titanium and inconel. Its construction from high strength material and unique geometry, coupled with the proven reliability of our Lee Plug expansion principal are what gives... [See More]

  • NPT Thread: 1/8" NPT; 0.125 inches
  • Material: 15-5PH
  • Shape / Application: Round
Plastic Threaded Plugs for NPT Pipe Fittings -- P-18
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: 1/8" NPT
  • Material: Polyethylene (PE)
  • Features: Threaded
High Temperature Vinyl Insertion Plugs -- MCP9254T
from MOCAP LLC

Material: High-Temp Vinyl (Black). Flexible Yet Durable - Won't Split, Tear or Shred. Wide Flange for Easy Removal [See More]

  • NPT Thread: 1/8" NPT; 1/8
  • Material: Ethyl Vinyl Acetate (EVA); Vinyl
  • Features: Flange
125 Aluminum Lee Plug®
from Lee Co. (The)

This member of our classic Lee Plug family is ideal for installation into aluminum manifolds. Lee plugs continue to be the simplest, most successful method for sealing cross-drilled holes. Upon installation of the pin, controlled expansion causes the lands and grooves of the plug to “bite... [See More]

  • NPT Thread: 1/8" NPT; 0.125 inches
  • Material: Aluminum; Aluminum
  • Shape / Application: Round
Paper Tapered Plugs -- MPTP002
from MOCAP LLC

Material: Paper (Brown). Environmentally Friendly and Economical Masking Solution. Does Not Promote Condensation [See More]

  • NPT Thread: 1/8" NPT; 1/8
  • Material: Paper
  • Overall Length: 0.3425
125 Aluminum Lee QIP® Expansion Plug
from Lee Co. (The)

This Quick Installation Plug is a pre-assembled plug set that combines ease of handling and installation with the proven reliability and performance of Lee expansion plugs. Lee plugs continue to be the simplest, most successful method for sealing cross-drilled holes. Upon installation of the pin,... [See More]

  • NPT Thread: 1/8" NPT; 0.125 inches
  • Material: Aluminum; Aluminum
  • Shape / Application: Round
1/8-27 NPT Commercial Grade Hex Thread Plug, Natural -- AP031227N
from ARKPLAS

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: 1/8" NPT
  • Features: Threaded; Knurled
  • Shape / Application: Screw Cap or Plug
  • Fitted Depth: 0.5800
Vent Plug with Deflector, 1/8" Male NPT -- A3229-1
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: 1/8" NPT
  • Material: Steel
  • Features: Threaded; Vented
P Series -- P-9
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: 1/8" NPT
  • Features: Threaded; Tapered; Flange; Pull Tab
  • Shape / Application: Round
  • Diameter: 0.3910
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
Bottle Cap Plug for 1/8" OD -- A-628
from IDEX Health & Science

Our Bottle Cap Plug is designed to seal the third "tapered" luer hole found in most Bottle Caps. This plug is manufactured from durable UHMWPE. This plug is for 1/16", 1/8" or 3/16" holes. [See More]

  • NPT Thread: 1/8" NPT
  • Material: Polyethylene (PE)
  • Shape / Application: Round
EZP Series (NPT Plugs) -- EZP 151
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: 1/8" NPT
1/8-27 NPT Commercial Grade Hex Thread Plug, Natural -- AP031227P
from ARKPLAS

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: 1/8" NPT
  • Features: Threaded; Knurled
  • Shape / Application: Screw Cap or Plug
  • Fitted Depth: 0.5800
Vent Plug with Filter and Deflector, 1/8" Male NPT -- A5170-1
from Oil-Rite Corp.

Vent Plugs with Filters and Deflectors can be used to relieve pressure or vacuum on bearing housing, gear boxes, reservoirs, or any application where venting is necessary. These vent plugs assure pressure equalization and minimize undesirable problems, such as bearing seal blowout due to excessive... [See More]

  • NPT Thread: 1/8" NPT
  • Material: Steel
  • Features: Threaded; Vented
PI Series -- PI-3/8
from Polymer Molding, Inc.

Push-In Plugs are designed to snap-fit into specific thread sizes. They are less labor intensive to install than threaded plugs yet provide an attractive flush finish to your product. Typical wall thickness: .032. Color: Yellow. Material: Low Density Polyethylene. LDPE service temperature: 150 °... [See More]

  • NPT Thread: 1/8" NPT
  • Features: Threaded; Flange
  • Shape / Application: Round; Button Plug
  • Straight Thread: Standard Thread 3/8"
P Series (Plastic Threaded Plugs for Pipe Fittings) -- P-18
from Daemar Inc.

Series P Pipe Plugs are available in three styles: square head, round head and recessed socket. They are molded in high density polyethylene and are ideal for keeping moisture, dirt and other contaminants from NPT-threaded ports. Material: High-Density Polyethylene Colour*: Red Applicable Specs:... [See More]

  • NPT Thread: 1/8" NPT
  • Features: Threaded
1/8-27 NPT Commercial Grade Slotted Thread Plug, Natural -- AP03SPLG12527N
from ARKPLAS

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: 1/8" NPT
  • Features: Threaded; Slotted Head; Recessed Socket
  • Shape / Application: Round; Screw Cap or Plug
  • Fitted Depth: 0.3900
Vent Plug with Filter, 1/8" Male NPT -- A3432-1
from Oil-Rite Corp.

Vent Plugs with Filters can be used to relieve pressure or vacuum on bearing housings, gear boxes, reservoirs, or any application where venting is necessary. These vent plugs assure pressure equalization and minimize undesirable problems, such as bearing seal blowout due to excessive pressure. The... [See More]

  • NPT Thread: 1/8" NPT
  • Material: Steel
  • Features: Threaded; Vented
PR Series -- PR-9
from Polymer Molding, Inc.

The PR Series Pull-Ring Plugs offer product protection with easy removal. The tapered style polyethylene plugs have built-in lift rings for easy installation and removal resulting in reduced product damage and increased cost savings. Ring design lays flat resulting in more efficient packaging. All... [See More]

  • NPT Thread: 1/8" NPT
  • Features: Threaded; Tapered; Flange; Pull Tab
  • Shape / Application: Round
  • Diameter: 0.3500