Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50-029-5BT found under Fastener Tape Pile by 3M Company. The National Stock Number assigned to this part is 5325015765617, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 50-029-5BT.