The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-977-5658, 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 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-00-977-5658 |
| Primary Part Number | 666151-079 |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Usage Design | INDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | CONE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.375 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Frequency Response Range in Hertz | +400.0 TO 6000.0 |
| Style Designator | SQUARE |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL IN |
| Transducer Diameter | 3.0 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 8.0 VOICE COIL NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.375 INCHES NOMINAL IN |
| Power Rating | 2.00 WATTS NORMAL |
| Installation Design | NONPORTABLE |
| 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 |
|---|---|
| 666151-079 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-C-456331 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5965-00-977-5658 is a Loudspeaker,permanent Magnet, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-977-5658 has 1 manufacturer part number on file: 666151-079 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 666151-079: Mounting Facility Quantity: 4; Terminal Quantity: 2; Usage Design: INDOOR; Terminal Type: TAB, SOLDER LUG. 15 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.