Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57-001-5-3IN found under Gasket by Pima Valveinc. The National Stock Number assigned to this part is 5330014815864, 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 57-001-5-3IN.