Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12954-440 found under Core Flexible Shaft Assembly by Satair A S. The National Stock Number assigned to this part is 3040004759932, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12954-440.