Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 320951F93 PC 7 found under O Ring by Fincantieri Marine Systems North. The National Stock Number assigned to this part is 5331014659377, 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 320951F93 PC 7.