Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RR-C-271 found under Ring Connecting Round by Federal Specifications. The National Stock Number assigned to this part is 5365008235095, 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 RR-C-271.