The Sounding Set,sonar, cataloged under National Stock Number 5845-01-481-4601, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Ross Laboratories, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5845-01-481-4601 |
| Primary Part Number | 250CG |
| Item Name | Sounding Set,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Ross Laboratories, Inc. |
| Status | ACTIVE |
| Current Type | AC |
| Voltage in Volts | 115.0 |
| Transmitted Signal Frequency Rating | 100.0 KILOHERTZ NOMINAL |
| Usage Design | USED AS A UNDERWATER SONAR SYSTEM |
| Power Output | 750.0 WATTS NOMINAL |
| Sonar Emission Type | A2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5845-01-481-4601 is a Sounding Set,sonar, manufactured by Ross Laboratories, Inc., classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-481-4601 has 2 manufacturer part numbers on file: 250CG (Ross Laboratories, Inc.), 250CG (Ross Labs, Llc Dba Ross Labs Llc).
1 possible match (shared part number, not a government interchangeability claim): 4210-01-627-5492. Verify interchangeability with system specifications before substitution.
Key specifications for 250CG: Current Type: AC; Voltage in Volts: 115.0; Transmitted Signal Frequency Rating: 100.0 KILOHERTZ NOMINAL; End Item Identification: AN/SQN-18AY,DEPTH SOUNDER. 6 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.
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.