The Transponder,sonar, cataloged under National Stock Number 5845-01-657-5901, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Hii Unmanned Systems, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Transponder,sonar |
| FSC / FSG | 5845 — Underwater Sound Equipment (FSG 58) |
| Manufacturers | Hii Unmanned Systems, Inc (CAGE 4Z5A9) |
| Parameter | Value |
|---|---|
| NSN | 5845-01-657-5901 |
| Primary Part Number | 161777 |
| Item Name | Transponder,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Hii Unmanned Systems, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 161777 PRIMARY | Hii Unmanned Systems, Inc (USA) |
NSN 5845-01-657-5901 is a Transponder,sonar, manufactured by Hii Unmanned Systems, Inc, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-657-5901 has 1 manufacturer part number on file: 161777 (Hii Unmanned Systems, Inc).
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 5845-01-657-5901 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.