Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 356634-1 found under Block Tackle by A And M Aerospace Inc. The National Stock Number assigned to this part is 3940005550603, 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 356634-1.