Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B2228 found under Belt Vehicular Safety by H O Bostrom Company Inc. The National Stock Number assigned to this part is 2540013019997, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B2228.