Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 34X2 5ZFN744FPM-70-10 found under O Ring by Zf Friedrichshafen Ag. The National Stock Number assigned to this part is 5331123150401, 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 34X2 5ZFN744FPM-70-10.