Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77A25 found under Spring Helical Comp by Telex Communications Inc. The National Stock Number assigned to this part is 5360006110567, 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 77A25.