The Hydrophone Assembly,sonar, cataloged under National Stock Number 5845-01-686-8589, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5845-01-686-8589 |
| Primary Part Number | 8750298-1 |
| Item Name | Hydrophone Assembly,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8750298-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8356383-335 | 5/1 Secondary reference Naval Sea Systems Command |
| 218069819 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5845-01-686-8589 is a Hydrophone Assembly,sonar, manufactured by Naval Sea Systems Command, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-686-8589 has 1 manufacturer part number on file: 8750298-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5845-01-686-8593. Verify interchangeability with system specifications before substitution.
Key specifications for 8750298-1: Part Name Assigned by Controlling Agency: HYDROPHONE ASSEMBLY. 0 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 5845-01-686-8589 has DEMIL Code Q. 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.