Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 180 00X5 00DF801 found under O Ring by Le Joint Francais. The National Stock Number assigned to this part is 5331144389772, 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 180 00X5 00DF801.