Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1285 found under Belt Tool Repairmans by Buckingham Mfg Co Inc. The National Stock Number assigned to this part is 5140005292517, and the Federal Supply Class is 5140 Tool And Hardware Boxes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1285.