The Detecting-Ranging Set,sonar, cataloged under National Stock Number 5845-01-513-7779, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Ultra Electronics Ocean Systems Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-01-513-7779 |
| Primary Part Number | DLS-2A |
| Item Name | Detecting-Ranging Set,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Ultra Electronics Ocean Systems Inc. |
| Status | ACTIVE |
| Supplementary Features | ORIG ITEM NAME - NON-MAGNETIC DIVER LOCATOR SONAR; DLS-1 IS TRAINING UNIT FOR DLS-2A A |
| Transmitted Signal Frequency Rating | 25.0 HERTZ MINIMUM AND 45.0 HERTZ MAXIMUM |
| Features Provided | INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED |
| Electrical Power Source Relationship | SELF-CONTAINED |
| Sonar Emission Type | A1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DLS-2A | Ultra Electronics Ocean Systems Inc. (USA) |
| Reference | Meaning |
|---|---|
| DLS-2A | 3/9 Design control — primary reference Harris Acoustic Products Corp |
NSN 5845-01-513-7779 is a Detecting-Ranging Set,sonar, manufactured by Ultra Electronics Ocean Systems Inc., classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-513-7779 has 1 manufacturer part number on file: DLS-2A (Ultra Electronics Ocean Systems Inc.).
Key specifications for DLS-2A: Supplementary Features: ORIG ITEM NAME - NON-MAGNETIC DIVER LOCATOR SONAR; DLS-1 IS TRAINING UNIT FOR DLS-2A A; Transmitted Signal Frequency Rating: 25.0 HERTZ MINIMUM AND 45.0 HERTZ MAXIMUM; Features Provided: INTERNAL BATTERY ACCOMMODATION LOCATION NOT OTHERWISE SPECIFIED; Electrical Power Source Relationship: SELF-CONTAINED. 5 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 5845-01-513-7779 has DEMIL Code B. 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.