Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A91D6171-1 found under Electronic Components Assembly by Telex Communications Inc. The National Stock Number assigned to this part is 5998000215925, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A91D6171-1.