Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 402945 found under Spacer Ring by Big Joe Mfg Co. The National Stock Number assigned to this part is 5365012980682, 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 402945.