Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 131252-A00 found under Ring Retaining by Leidos Inc. The National Stock Number assigned to this part is 5325016488303, 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 131252-A00.