Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV174-565 PC 12 found under Gasket by Automatic Switch Company. The National Stock Number assigned to this part is 5330003990746, 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 AV174-565 PC 12.