Coupler Plug,Automotive Interchange,304 SS,(F)NPT Hose Connection,Connection Size NPT (In.) 3/8,Body Size (In.) 1/4,Max. Pressure (PSI) 400,Temp. Range 0 to 170 F,HNBR Seals,For Use With ARO Interchange Coupler,Weight Each (Oz.) 0.8,Used on End of Hose or Tool Inlet for Connection to Quick Coupler