Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CC-1473 ITEM 15 PIECE 4 found under O Ring by Cornell Carr Co Inc. The National Stock Number assigned to this part is 5331012155129, 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 CC-1473 ITEM 15 PIECE 4.