Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV 144 3 4 found under Gasket by Stockham Valves And Fittings Inc. The National Stock Number assigned to this part is 5330012781766, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AV 144 3 4.