Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 639A216PC4 found under Gasket Spiral Wound by General Electric Inc. The National Stock Number assigned to this part is 5330005841936, 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 639A216PC4.