Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B177-1187 found under Seal And Filter by Houchin Aerospace Ltd. The National Stock Number assigned to this part is 5330000062191, 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 B177-1187.