Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 129617-01 found under Coupling Flex Shaft by Safran Power Usa Llc. The National Stock Number assigned to this part is 1680012878600, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 129617-01.