Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DF298851 FN 14 found under O Ring by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 5331001661058, 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 DF298851 FN 14.