Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1670-10151 found under Adapter Hoisting by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 3940002777562, 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 S1670-10151.