The Sonobuoy, cataloged under National Stock Number 5845-01-661-5400, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Erapsco. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-01-661-5400 |
| Primary Part Number | 140-0451 |
| Item Name | Sonobuoy |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Erapsco |
| Status | ACTIVE |
| Usage Design | OPERATING DEPTHS:65,175,300,500FT FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 140-0451 PRIMARY | Erapsco (USA) |
NSN 5845-01-661-5400 is a Sonobuoy, manufactured by Erapsco, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-661-5400 has 1 manufacturer part number on file: 140-0451 (Erapsco).
Key specifications for 140-0451: Special Features: MULTISTATIC ACTIVE COHERENT (MAC) SOURCE; Usage Design: OPERATING DEPTHS:65,175,300,500FT FT. 1 specification is 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 5845-01-661-5400 has DEMIL Code D. 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.