The Audio Proj Set, cataloged under National Stock Number 5830-01-350-6428, is classified within Federal Supply Class 5830 (Intercommunication and Public Address Systems, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Undersea Sensor Systems, Inc. Div Ultra Maritime. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5830-01-350-6428 |
| Primary Part Number | 11458-802 |
| Item Name | Audio Proj Set |
| FSC / FSG | 5830 / 58 — Intercommunication and Public Address Systems, Except Airborne |
| Manufacturer | Undersea Sensor Systems, Inc. Div Ultra Maritime |
| Status | ACTIVE |
| General Characteristics Item Description | VOICE AMPLIFIER |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 11458-802 PRIMARY | Undersea Sensor Systems, Inc. Div Ultra Maritime (USA) |
| B-181-A | Undersea Sensor Systems, Inc. Div Ultra Maritime (USA) |
| Reference | Meaning |
|---|---|
| B-181A | 5/9 Secondary reference Ultra Electronics Audiopack |
| B-181A | 5/9 Secondary reference Advanced Basic Communications, Llc |
| 11458 | 3/9 Design control — primary reference Undersea Sensor Systems, Inc. Div Ultra Maritime |
NSN 5830-01-350-6428 is a Audio Proj Set, manufactured by Undersea Sensor Systems, Inc. Div Ultra Maritime, classified under FSC 5830, Intercommunication and Public Address Systems, Except Airborne. Status: active.
NSN 5830-01-350-6428 has 2 manufacturer part numbers on file: 11458-802 (Undersea Sensor Systems, Inc. Div Ultra Maritime), B-181-A (Undersea Sensor Systems, Inc. Div Ultra Maritime).
Key specifications for 11458-802: General Characteristics Item Description: VOICE AMPLIFIER; Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.