The Sonobuoy, cataloged under National Stock Number 5845-01-474-8658, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Sparton Deleon Springs, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5845-01-474-8658 |
| Primary Part Number | 120-9061-001 |
| Item Name | Sonobuoy |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Sparton Deleon Springs, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 120-9061-001 PRIMARY | Sparton Deleon Springs, Llc (USA) |
| Reference | Meaning |
|---|---|
| AN/SSQ-57SPC | 5/2 Secondary reference U.S. Government activity |
NSN 5845-01-474-8658 is a Sonobuoy, manufactured by Sparton Deleon Springs, Llc, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-474-8658 has 1 manufacturer part number on file: 120-9061-001 (Sparton Deleon Springs, Llc).
Key specifications for 120-9061-001: Special Features: SURFACE ASSEMBLY MUST MAINTAIN INTERNAL PRESSURE OF 12 PSIG MINIMUM FOR8 HOURS MINIMUM;EXTERNAL PRESSURE OF 45 PSIG MAXIMUM FOR 5 SECONDS MINIMUM;INTERNAL PRESSURE OF 30 PSIG MINIMUM FOR 10 MILLISECONDS MINIMUM;INTERNAL PRESSURE OF 1.5 PSIG MINIMUM FOR 8 HOURS MINIMUM MS; End Item Identification: SONAR EQUIPMENT. 0 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.
NSN 5845-01-474-8658 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.