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
T-4
from Daemar Inc.

Tapered Caplugs can be used as either caps or plugs. Because they are tapered in design and made from highly pliable (or flexible) polyethylene, they can not only be applied to fit snugly but are readily removable...whether used for capping or plugging. Especially recommended for use on MIL Std. and... [See More]

  • NPT Thread: 1/4" NPT
  • Features: Tapered; Flange
  • Shape / Application: Round
  • Diameter: 0.4190 to 0.4850
Hydraulic Fitting Plugs -- HF
from Hi-Tech Seals, Inc.

The flared- fitting plugs are commonly used by hydraulic companies. This protector will meet low- pressure requirements. Note that unlike most other plugs, this plug is made with high-density polyethylene. [See More]

  • NPT Thread: 1/4" NPT (optional feature); 3/8" NPT (optional feature); 1/2" NPT (optional feature); 3/4" NPT (optional feature); 1" NPT (optional feature); 1 1/4" NPT (optional feature); 1 1/2" NPT (optional feature); 2" NPT (optional feature)
  • Features: Threaded; Tapered (optional feature)
  • Shape / Application: Round
  • Diameter: 0.3750 to 2
3000 Series
from Parker Hannifin / Fluid Connectors / Quick Coupling Division

Protective Dust Caps and Plugs play a crucial role in the life of a quick coupling. [See More]

  • NPT Thread: 1/4" NPT (optional feature); 1/2" NPT (optional feature)
  • Features: Pull Tab
  • Shape / Application: Round
  • Diameter: 0.2500 to 0.3750
Similar parts from Parker Hannifin / Fluid Connectors / Quick Coupling Division (Show More »)
Quick Coupling Dust Plug -- 5205-2M
from Parker Hannifin China

4000 Series Couplings are general purpose, double shut off, quick disconnects. They are available with poppet or ball valves. The manual sleeve requires two-handed operation to retract the sleeve for connection or disconnection. Coupling bodies are steel with zinc and clear trivalent chromate... [See More]

  • NPT Thread: 1/4" NPT
  • Material: Rubber - Silicone
  • Shape / Application: Round
Dome Plug -- DP-07-BK
from Sealcon LLC

Part Number. DP-07-BK. Add to Quote Quantity. Add. DP-07-GY. Add to Quote Quantity. Add. DP-07-BR. Add to Quote Quantity. Add. Outer Diameter (D). .59" (15 mm). .59" (15 mm). .55" (14 mm). Thread Length (E). .24" (6 mm). .24" (6 mm). .20" (5 mm). Overall Height (H). .31" (8 mm). .31" (8 mm). .31" (8... [See More]

  • NPT Thread: 1/4" NPT
  • Features: Threaded; Slotted Head
  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.5900
First Thread Protection Plugs -- SPFT1/4A
from Alliance Plastics

Also offered in EPDM rubber, no colorant or mold releases used [See More]

  • NPT Thread: 1/4" NPT
  • Features: Flange
  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.4500
HP Plugs -- HP-3
from Harman Corporation

Ensure easy removal without use of tools, for use as thread protectors [See More]

  • NPT Thread: 1/4" NPT
  • Features: Tapered
  • Shape / Application: Round
  • BSP Thread: 1/2" BSP
Similar parts from Harman Corporation
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
Similar parts from Polymer Molding, Inc.
TH2D
from TOMCO Products, Inc.

Dust plug, prevents contamination of disconnected fluid systems [See More]

  • NPT Thread: 1/4" NPT
  • Material: Brass
  • Shape / Application: Round
105FF
from United Refrigeration, Inc.

Temporarily closes tubing for service, then reopens to allow flow. [See More]

  • NPT Thread: 1/4" NPT; 3/8" NPT; 1/2" NPT
Similar parts from United Refrigeration, Inc.