Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 002-172 found under Chain Assembly Single Leg by Wain Roy Co Inc. The National Stock Number assigned to this part is 4010012592499, and the Federal Supply Class is 4010 Chain And Wire Rope. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 002-172.