Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N5-10-28 found under Ring Retaining by Bofors A B. The National Stock Number assigned to this part is 5325121564408, 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 N5-10-28.