The Modulation Eliminator, cataloged under National Stock Number 5845-00-021-3738, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5845-00-021-3738 |
| Item Name | Modulation Eliminator |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | O/A 2 BY 4 BY 4 IN.; ELEC BRIDGE TYPE; OPER FREQ 400 HZ; 95 PCT MODULATION RATE; 10000O OUTPUT IMPEDANCE; OPER PWR RQMT DC M28V; FSC APPL SONAR SET IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6151 | 3/2 Design control — primary reference U.S. Government activity |
| 48594 | 5/2 Secondary reference U.S. Government activity |
NSN 5845-00-021-3738 is a Modulation Eliminator, classified under FSC 5845, Underwater Sound Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2930-00-423-6460. Verify interchangeability with system specifications before substitution.
Key specifications for 5845-00-021-3738: General Characteristics Item Description: O/A 2 BY 4 BY 4 IN.; ELEC BRIDGE TYPE; OPER FREQ 400 HZ; 95 PCT MODULATION RATE; 10000O OUTPUT IMPEDANCE; OPER PWR RQMT DC M28V; FSC APPL SONAR SET IN. 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 5845-00-021-3738 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.