Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F125881 REV A found under Spacer Ring by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 5365016086221, 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 F125881 REV A.