Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS12793 found under Spacer Stepped by Mk Test Systems. The National Stock Number assigned to this part is 5365008241462, 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 GS12793.