Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TF888P438-548C found under Seal Assembly Shaft by Coorstek Inc. The National Stock Number assigned to this part is 5330014781583, 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 TF888P438-548C.