The Sonobuoy, cataloged under National Stock Number 5845-01-444-0711, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5845-01-444-0711 |
| Primary Part Number | 120-9010-001 |
| Item Name | Sonobuoy |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Sparton Deleon Springs, Llc |
| Status | ACTIVE |
| Unpackaged Unit Weight | 19.600 POUNDS NOMINAL LBS |
| Design Type | DIRECTIONAL |
| Electrical Power Source Relationship | SELF-CONTAINED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PI028-202-0114-00 | Ultra Electronics Maritime Systems Inc Div Subsidiary of Ultra Electronics Holdings Limited (CAN) |
| 120-9010-001 PRIMARY | Sparton Deleon Springs, Llc (USA) |
| Reference | Meaning |
|---|---|
| AN/SSQ-53E | 4/1 Identification reference U.S. Government activity |
NSN 5845-01-444-0711 is a Sonobuoy, manufactured by Sparton Deleon Springs, Llc, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-444-0711 has 2 manufacturer part numbers on file: PI028-202-0114-00 (Ultra Electronics Maritime Systems Inc Div Subsidiary of Ultra Electronics Holdings Limited), 120-9010-001 (Sparton Deleon Springs, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-697-8846. Verify interchangeability with system specifications before substitution.
Key specifications for 120-9010-001: Unpackaged Unit Weight: 19.600 POUNDS NOMINAL LBS; Design Type: DIRECTIONAL; Electrical Power Source Relationship: SELF-CONTAINED; Special Features: SONOBUOY HAS 99 SELECTABLE CHANNELS, W/HELO COMPATIBLE PARACHUTE AND G-3 LAUNCH ENVELOPE. (8) HOUR OPERATING LIFE AND OPERATING DEPTH OF (90/400/1000 FT.) CONTAINS (1) 9 VOLT ALKALINE BATTERY, CUSCN SEAWATER BATTERY, AND (1) COMPRESSED GAS CO2 BOTTLE. FT. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5845-01-444-0711 has DEMIL Code F. 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.