Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3M70-X977A found under Bushing Blower by Steward Machine Co Inc. The National Stock Number assigned to this part is 5365009498414, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3M70-X977A.