Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61BG found under Adjusting Device Belt Chain Tens by Detroit Bullet Trap Corp. The National Stock Number assigned to this part is 3040013919917, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 61BG.