Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D80492 REF 22 23 SIZE 5 found under O Ring by Cooper Cameron Corp. The National Stock Number assigned to this part is 5331001668403, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D80492 REF 22 23 SIZE 5.