Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N42R2047-529 found under Ring Retaining by Department Of The Navy. The National Stock Number assigned to this part is 5325006632744, 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 N42R2047-529.