Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B16DIN7993 found under Ring Retaining by Benzing Hugo Gmbh And Co Kg. The National Stock Number assigned to this part is 5325121916263, 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 B16DIN7993.