Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 265840 ITEM 13 REV found under Ring Retaining by Oil Capital Valve Company. The National Stock Number assigned to this part is 5325016027929, 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 265840 ITEM 13 REV.