The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-280-3801, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-280-3801 |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Transducer Type | CONE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.313 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) |
| Transducer Diameter | 4.0 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 8.0 VOICE COIL NOMINAL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.313 INCHES NOMINAL IN |
| Mounting Facility Thread Size and Series/type Designator | 10.24 UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6326A6 | 5/9 Secondary reference Adec Inc |
| P4SB2SPECC5659DWG5316D | 5/9 Secondary reference International Jensen Inc Jensen Sound Laboratories |
| P4SB2SPECC6302DWG540139 | 5/9 Secondary reference International Jensen Inc Jensen Sound Laboratories |
| SCU53366 | 5/1 Secondary reference U.S. Government activity |
| MILL12606 | 2/2 Government specification standardization U.S. Government activity |
NSN 5965-00-280-3801 is a Loudspeaker,permanent Magnet, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5965-00-892-3665, 5965-01-058-9785, 5965-01-075-2188. Verify interchangeability with system specifications before substitution.
Key specifications for 5965-00-280-3801: Mounting Facility Quantity: 4; Transducer Type: CONE; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.313 INCHES NOMINAL IN; Mounting Method: THREADED HOLE(S). 8 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.