6404-05-04 5/16" ORB Female x 1/4" NPTF Male hydraulic fittings

SAE O-Ring Boss (ORB) hydraulic adapters are crafted from pressure-resistant carbon steel, known for its resilience and durability in demanding hydraulic settings. These ORB adapters can be used to convert to NPT (National Pipe Thread), JIC (Joint Industry Council) conforming to SAE J514 technical specifications, and NPSM (National Pipe Straight Mechanical). Each type features distinct threading and sealing designs to meet diverse hydraulic system needs. To enhance durability and corrosion resistance, these adapters are coated with zinc-trivalent anti-corrosion plating.