The Amplifier-Modulator Group, cataloged under National Stock Number 5845-01-543-2106, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-01-543-2106 |
| Primary Part Number | 7485818-1 |
| Item Name | Amplifier-Modulator Group |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7485818-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ST-PA6 | 5/9 Secondary reference Radio Design Labs |
NSN 5845-01-543-2106 is a Amplifier-Modulator Group, manufactured by Naval Sea Systems Command, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-543-2106 has 1 manufacturer part number on file: 7485818-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5845-01-579-9531. Verify interchangeability with system specifications before substitution.
Key specifications for 7485818-1: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: INAVY-AMPLIFIER, AUDIO PWR; End Item Identification: AN/BQN-17A, DEPTH SOUNDER SONAR A. 1 specification is 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.
NSN 5845-01-543-2106 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.