Coupler Plug,Industrial Interchange,Steel,Zinc Plated Finish,(M)NPT Hose Connection,Connection Size NPT (In.) 3/8,Body Size (In.) 3/8,Max. Pressure (PSI) 300,Temp. Range -40 to 250 F,NBR Seals,For Use With ARO, Industrial or Automotive Coupler,Weight Each (Oz.) 1.2,Meets ISO 6150, MIL-C-4109F,Used on End of Hose or Tool Inlet for Connection to Quick Coupler