The Beacon,sonar, cataloged under National Stock Number 5845-01-643-2316, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Leonardo Spa Helicopters Division - Production Site. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Beacon,sonar |
| FSC / FSG | 5845 — Underwater Sound Equipment (FSG 58) |
| Manufacturers | Leonardo Spa Helicopters Division - Production Site (CAGE A0126); Airbus Helicopters (ets De Marignane) (CAGE F0210); Radiant Power Corp (CAGE 1MXA1) |
| Parameter | Value |
|---|---|
| NSN | 5845-01-643-2316 |
| Primary Part Number | DK120/90 |
| Item Name | Beacon,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Leonardo Spa Helicopters Division - Production Site |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DK120/90 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| S256A30T1005 | Airbus Helicopters (ets De Marignane) (FRA) |
| 704A45737087 | Airbus Helicopters (ets De Marignane) (FRA) |
| DK120-90 | Radiant Power Corp (USA) |
| Reference | Meaning |
|---|---|
| 10449561 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| DK120/90 | 3/2 Design control — primary reference U.S. Government activity |
| 5845PL1788337 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 166936-11 | 3/1 Design control — primary reference Ge Aviation Systems Llc |
NSN 5845-01-643-2316 is a Beacon,sonar, manufactured by Leonardo Spa Helicopters Division - Production Site, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-643-2316 has 4 manufacturer part numbers on file: DK120/90 (Leonardo Spa Helicopters Division - Production Site), S256A30T1005 (Airbus Helicopters (ets De Marignane)), 704A45737087 (Airbus Helicopters (ets De Marignane)), DK120-90 (Radiant Power Corp).
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5845-01-643-2316 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.