Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2-129N101-70 found under O Ring by Manitex Liftking Ulc. The National Stock Number assigned to this part is 5331002651097, 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 2-129N101-70.