Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FVL4E2-002-8 ITEM NO 61 found under O Ring by Marotta Controls Inc. The National Stock Number assigned to this part is 5331016457987, 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 FVL4E2-002-8 ITEM NO 61.