Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R5000-200 found under Ring Retaining by Energy Manufacturing Co Inc. The National Stock Number assigned to this part is 5325010561359, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R5000-200.