Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number O-RING 22X3-NBR-80 found under O Ring by Hydac Corp. The National Stock Number assigned to this part is 5331015350869, 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 O-RING 22X3-NBR-80.