The Communication Set,sonar, cataloged under National Stock Number 5845-00-642-8420, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-00-642-8420 |
| Item Name | Communication Set,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Status | ACTIVE |
| Document Type | INSTRUCTION MANUAL |
| Transmitter Channel Quantity | 2 |
| DC Voltage Rating | 1.5 VOLTS NOMINAL AND 135.0 VOLTS NOMINAL AND 7.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Component Controlling Agency | BUSHIPS |
| Joint Electronics Type Designation System Item Type Number | TYPE AN/BQC-1 |
| Transmitted Signal Frequency Rating | 8.3 KILOHERTZ MINIMUM AND 11.1 KILOHERTZ MAXIMUM |
| Joint Electronics Type Designation System Item Name | COMMUNICATION SET,SONAR |
| Features Provided | INTERNAL BATTERY ACCOMMODATION FIRST OPERATING POWER RQMT |
| Receiver Channel Quantity | 1 |
| Document Identification | NAVSHIPS 91178 |
| Received Signal Frequency Rating | 8.3 KILOHERTZ MINIMUM AND 11.1 KILOHERTZ MAXIMUM |
| Transmitter Band Quantity | 1 |
| Receiver Band Quantity | 1 |
| Sonar Emission Type | A3A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ANBQC1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5845-00-642-8420 is a Communication Set,sonar, classified under FSC 5845, Underwater Sound Equipment. Status: active.
Key specifications for 5845-00-642-8420: Document Type: INSTRUCTION MANUAL; Transmitter Channel Quantity: 2; DC Voltage Rating: 1.5 VOLTS NOMINAL AND 135.0 VOLTS NOMINAL AND 7.5 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Component Controlling Agency: BUSHIPS. 14 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.
NSN 5845-00-642-8420 has DEMIL Code C. 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.