Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A2304-012 found under Ring Retaining by Brad Foote Gear Works Inc. The National Stock Number assigned to this part is 5325013750955, 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 A2304-012.