Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N5400-100SP271 found under Ring Retaining by Rotor Clip Company Inc. The National Stock Number assigned to this part is 5325011284963, 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 N5400-100SP271.