Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6847906-1209 found under Nut Self Locking Ex by Allison Transmission Holdings Inc. The National Stock Number assigned to this part is 5310014466043, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6847906-1209.