The Sonobuoy, cataloged under National Stock Number 5845-01-474-6188, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5845-01-474-6188 |
| Primary Part Number | AN/SSQ57-SPC |
| Item Name | Sonobuoy |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Sparton Deleon Springs, Llc |
| Status | ACTIVE |
| Design Type | DIRECTIONAL |
| 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 |
|---|---|
| AN/SSQ57-SPC PRIMARY | Sparton Deleon Springs, Llc (USA) |
| Reference | Meaning |
|---|---|
| AN/SSQ57-C | 5/2 Secondary reference U.S. Government activity |
NSN 5845-01-474-6188 is a Sonobuoy, manufactured by Sparton Deleon Springs, Llc, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-474-6188 has 1 manufacturer part number on file: AN/SSQ57-SPC (Sparton Deleon Springs, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5845-01-474-8658. Verify interchangeability with system specifications before substitution.
Key specifications for AN/SSQ57-SPC: Design Type: DIRECTIONAL; Special Features: PASSIVE; OMNIDIRECTIONAL; CALIBRATED; 5-20000 HZ; 60 OR 400 FT DEPTH; SIZE A; 22 POUNDS; 1, 3 OR 8 HOURS OPERATING LIFE; 40 TO 30000 FT LAUNCH ATTITUDE; 0-370 KIAS LAUNCH SPEED LBS. 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 5845-01-474-6188 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.