Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F71054 found under Spreader Sling by The Boeing Company. The National Stock Number assigned to this part is 3940001816608, and the Federal Supply Class is 3940 Blocks Tackle Rigging And Slings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F71054.