The Transponder,sonar, cataloged under National Stock Number 5845-01-685-4553, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Rje International, Inc. Dba Rje International. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5845-01-685-4553 |
| Primary Part Number | ULB-350/37TD10H |
| Item Name | Transponder,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Rje International, Inc. Dba Rje International |
| Status | ACTIVE |
| Current Type | DC |
| DC Voltage Rating | 9.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Transmitted Signal Frequency Rating | 37.0 KILOHERTZ NOMINAL |
| Features Provided | INTERNAL BATTERY ACCOMMODATION FIRST OPERATING POWER RQMT |
| Electrical Power Source Relationship | SELF-CONTAINED |
| Furnished Items | 380-87005 ORING KI T FOR ULB-350/37TD10H QTY 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ULB-350/37TD10H PRIMARY | Rje International, Inc. Dba Rje International (USA) |
| Reference | Meaning |
|---|---|
| ULB-350/37TD10H | 5/9 Secondary reference Gigya, Inc. |
NSN 5845-01-685-4553 is a Transponder,sonar, manufactured by Rje International, Inc. Dba Rje International, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-685-4553 has 1 manufacturer part number on file: ULB-350/37TD10H (Rje International, Inc. Dba Rje International).
Key specifications for ULB-350/37TD10H: Current Type: DC; DC Voltage Rating: 9.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Transmitted Signal Frequency Rating: 37.0 KILOHERTZ NOMINAL; Features Provided: INTERNAL BATTERY ACCOMMODATION FIRST OPERATING POWER RQMT. 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.