Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TRN5683A found under Phone Line Interfac by Motorola Inc. The National Stock Number assigned to this part is 5998014378428, 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 TRN5683A.