Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B28-2 found under Belts V Matched Set by Browning Belting And Supply Co Inc. The National Stock Number assigned to this part is 3030010452619, and the Federal Supply Class is 3030 Belting Drive Belts Fan Belts And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B28-2.