Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 280-00001-01 found under Ring Retaining by Sierra Nevada Corporation. The National Stock Number assigned to this part is 5325015249456, 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 280-00001-01.