The Loudspeaker Assembly, cataloged under National Stock Number 5965-01-648-1528, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Misco/minneapolis Speaker Company, Inc.. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-648-1528 |
| Primary Part Number | EC4S-FR |
| Item Name | Loudspeaker Assembly |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Misco/minneapolis Speaker Company, Inc. |
| Status | ACTIVE |
| Individual Loudspeaker Frequency Range | +100.0 TO 10000.0 HERTZ |
| Individual Loudspeaker Audio Power Rating | 10.0 WATTS AND 20.0 WATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EC4S-FR PRIMARY | Misco/minneapolis Speaker Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| EC4S-FR | 3/9 Design control — primary reference Minneapolis Speaker Co /misco/ |
NSN 5965-01-648-1528 is a Loudspeaker Assembly, manufactured by Misco/minneapolis Speaker Company, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-648-1528 has 1 manufacturer part number on file: EC4S-FR (Misco/minneapolis Speaker Company, Inc.).
Key specifications for EC4S-FR: Individual Loudspeaker Frequency Range: +100.0 TO 10000.0 HERTZ; Individual Loudspeaker Audio Power Rating: 10.0 WATTS AND 20.0 WATTS; Special Features: SHAPE - SQUARE. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.