Features: 1.Includes a lock nut and 2 oil?resistant washers, the maximum pressure setting is 4000psi (275bar), and the operating temperature range is ?65?252. 2.Made of 6061?T6 aircraft grade aluminum material, it has strong strength, good corrosion resistance and long service life. With black anodic oxidation treatment, the appearance is beautiful. 3.Compatible with gasoline and alcohol?based fuels. The 37?degree sealing angle of the internal thread can ensure front sealing under the maximum working pressure. 4.The anti?flake plug can block the fuel hose line and prevent dirt and debris from entering the external threaded hose connector and adapter. 5.Easy to install, it is recommended to use AN aluminum adjustable wrench to screw the accessory into the mating part until the pre-formed package is completely inserted into the mating package seat. Tighten the fittings until they fit snugly. Specification: Item Type: Fuel Cell Bulkhead Fitting_x000D_ Material: 6061-T6 Aluminum_x000D_ Size: 10AN to 10AN_x000D_ Thread Outer Diameter: 22mm PackageList: 1 x Fuel Cell Bulkhead Fitting