Interstate Pneumatics 3/8 Inch Automotive Steel Coupler x 1/4 Inch Male NPT. These couplers are interchangeable with the Automotive (True-Flate) Standard series couplers produced by other manufacturers. Precision machined from solid steel bar stock which provides longevity during mechanical shock in rugged applications. Maximum working pressure 300 PSI.
3/8 inch Automotive Steel Coupler x 1/4 inch Male NPT
NPT size: 1/4 inch NPT Male
Temperature: -40 degree F to 212 degree F
Seals: Buna-N (Nitrile)
Ball Bearing: Quantity 6, stainless steel