Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N 3829 420 SD found under Ring Retaining by Rheinmetall Soldier Electronics Gmb. The National Stock Number assigned to this part is 5325121263409, 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 N 3829 420 SD.