Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK-HB200C found under Parts Kit Seal Repl by Armstrong Pumps Inc. The National Stock Number assigned to this part is 5330015912765, 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 SK-HB200C.