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TF4 Series 3/8" Plugs - Male Thread

TF Series Couplers (pneumatic) up to 300 psi connect with Tru-Flate design, also known as the automotive interchange. They have manual sleeves and are single shut off quick couplings. The steel tubular valve delivers high air flow with minimal pressure drop. Couplers and Nipples are available in a wide range of sizes and materials for use in a variety of applications with air or fluid.

Type: One Way Shut-Off

Rated Pressure: 300 PSIG

Operation: Automatic Push to Connect;

Sizes: Sizes: 1/4", 3/8", (1/2" use Industrial Interchange version)


  • Air compressors, Pneumatic Tools
  • Grease guns, Paint applicators
  • Developed for the automotive industry
  • High flow valves with minimal pressure drop
  • Integral Sleeve guard helps prevent accidental disconnect
  • Grip-ring sleeve version has a larger knurled diameter to provide easy operation when gloves are worn
Parts Grid
Part Number Quantity Price Box Qty Brand Thread Size Description
10 Foster 1/4" Steel
10 Foster 3/8" Steel