Fitting has a JIC flared male connector on one end and an O-ring boss on the other Material Composition: Fittings from forged or cast pressure resistant carbon steel with a zinc-trivalent anti-corrosion coating 6400 ORB steel adapters correspond to the following: Parker 0503, Weatherhead C5315, Aeroquip 202702, SAE 070120, Parker F50X. JIC SAE 37 degree and SAE ORB (O-Ring Boss) conform to SAE J514 technical specifications Thread 1 Type: JIC, Thread 2 Type: ORB Fitting has a JIC flared male connector on one end and an O-ring boss on the other. JIC SAE 37 degree and SAE ORB (O-Ring Boss) conform to SAE J514 technical specifications. Material Composition: Fittings from forged or cast pressure resistant carbon steel with a zinc-trivalent anti-corrosion coating. 6400 ORB steel adapters correspond to the following: Parker 0503, Weatherhead C5315, Aeroquip 202702, SAE 070120, Parker F50X.