Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC5010-5-8 found under Coupling Shaft Fle by Fmc Technologies Inc. The National Stock Number assigned to this part is 4610007915233, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RC5010-5-8.