The Hydrophone,sonar, cataloged under National Stock Number 5845-01-565-6903, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-01-565-6903 |
| Primary Part Number | 8104 V |
| Item Name | Hydrophone,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer |
| Status | ACTIVE |
| Overall Diameter | 0.830 INCHES NOMINAL IN |
| Frequency Rating | 0.1 HERTZ MINIMUM AND 120.0 KILOHERTZ MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8104 V PRIMARY | Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer (USA) |
NSN 5845-01-565-6903 is a Hydrophone,sonar, manufactured by Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-565-6903 has 1 manufacturer part number on file: 8104 V (Hottinger Bruel & Kjaer Inc. Dba Bruel & Kjaer).
Key specifications for 8104 V: Overall Diameter: 0.830 INCHES NOMINAL IN; Overall Length: 4.730 INCHES NOMINAL IN; Special Features: WIDE-RANGE STANDARD MEASURING TRANSDUCER FOR MAKING ABSOLUTE SOUND MEASUREMENTS, WITH A RECEIVING SENSITIVTY OF -205 DB RE 1V/UPA. CAN ALSO BE USED AS A SOUND TRANSMITTER (PROJECTOR) WHICH MAKES IT IDEAL FOR CALIBRATION PURPOSES BY THE RECIPROCITY, CALIBRATED-PROJECTOR AND COMPARISON METHODS. V; Frequency Rating: 0.1 HERTZ MINIMUM AND 120.0 KILOHERTZ MAXIMUM. 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.
NSN 5845-01-565-6903 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.