Garden Hose Adapter, Fitting Material Brass x Brass, Fitting Size 1/2 in x 3/4 in/ END ITEM IDENTIFICATION: 4520-01-564-3917; ENHANCED HEATING SYSTEM, RATION, TRAY CONNECTION TYPE: THREADED EXTERNAL HOSE 1ST END CONNECTION TYPE: THREADED EXTERNAL PIPE 2ND END NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS PART NAME ASSIGNED BY CONTROLLING AGENCY: HOSE TO PIPE ADAPTER DOUBLE MALE CONNECTION MATERIAL: COPPER ALLOY OVERALL THREAD SERIES DESIGNATOR: NPT 2ND END