Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 48 00X3 00N603A found under O Ring by Le Joint Francais. The National Stock Number assigned to this part is 5331144468316, 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 48 00X3 00N603A.