Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DRVP 8 3 0 0V ITEM 18 found under O Ring by Hydac Corp. The National Stock Number assigned to this part is 5331012491636, 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 DRVP 8 3 0 0V ITEM 18.