Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M32221 found under Sling Multiple Leg by E J Willis Company Inc. The National Stock Number assigned to this part is 3940003368947, 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 M32221.