USC-28_NSNs.xlsx

This file is a National Stock Number (NSN) spreadsheet listing 77 line items of equipment and components associated with the AN/USC-28(V) Satellite Communication System. The NSNs and their nomenclature represent both major system components and subsystem assemblies that are integral to the AN/USC-28(V) system. Major assemblies include the APC Processor, digital computers, data processor terminals, various signal processing units (coders, modulators, demodulators, interleavers), and the complete AN/USC-28(V) system itself. Supporting components encompass RF equipment (frequency synthesizers, distribution amplifiers, RF isolators), interface cards and assemblies, power supplies (both full and half configurations with replacement part cross-references), fan assemblies, battery packs, and specialized modules such as time generators, beacon interfaces, antenna trackers, and orderwire interfaces. Several items are identified as replacements for obsolete or superseded NSNs, including the UDP5-I Kit, full and half power supplies, and various other components. This inventory directly correlates to the Army Communications-Electronic Command (CECOM) market survey for AN/USC-28(V) maintenance support, indicating the specific parts and assemblies for which depot-level repair, overhaul, field maintenance technician support, and testing and certification services will be required from potential contractors.