3/8" x 3/8"NPT Male Steel Industrial Plug / QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS CONNECTION STYLE: D2 PLAIN CONNECTION TYPE: THREADED EXTERNAL PIPE CONNECTION TYPE: EXTERNAL QUICK DISCONNECT FEATURES PROVIDED: SELF-SEALING NOMINAL THREAD SIZE: 0.375 INCHES MATERIAL: STEEL STYLE DESIGNATOR: A1 MALE COUPLING HALF THREAD SERIES DESIGNATOR: NPT