Specifications: This adapter features AN8 male (3 / 4 16 thread) to 5 / 16 " hose connection, designed for liquid transfer in automotive applications including lubrication and cooling systems Easy Installation: Bulkhead design with extended threads and securing nut allows simple mounting through liquid tanks, partitions or panels using basic tools or hand assembly Strong Build: Made from aircraft grade 6061 aluminum with silver oxidized finish, offering lasting strength, oxidation security and look for prolonged use in tough environments Leak Seal: AN side uses 37 degree flared sealing while barbed end ensures tight hose grip, includes polymer washers for stable high pressure function without leaks Versatile Use: Works with various rubber, silicone and reinforced hoses, ideal for vehicle upgrades, off road equipment maintenance and industrial liquid transfer needs, Manufacturer: carotoe