Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 602-100-003 found under Sleeve Lock by North Safety Products L L C. The National Stock Number assigned to this part is 5445009153121, and the Federal Supply Class is 5445 Prefabricated Tower Structures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 602-100-003.