Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C1 1 2 LOCKRING 11-051-15 found under Ring Retaining by Woods T B Inc. The National Stock Number assigned to this part is 5325011539160, 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 C1 1 2 LOCKRING 11-051-15.