Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A77A129-1 found under Spring Selenoid Ret by Telex Communications Inc. The National Stock Number assigned to this part is 5360005061315, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A77A129-1.