The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-01-232-5766, 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 Quam Nichols Co. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-232-5766 |
| Primary Part Number | 25C25Z8OT |
| Item Name | Loudspeaker,permanent Magnet |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Quam Nichols Co |
| Status | ACTIVE |
| FSC Application Data | HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS |
| Mounting Facility Quantity | 4 |
| Terminal Quantity | 2 |
| Usage Design | INDOOR AND OUTDOOR |
| Terminal Type | TAB, SOLDER LUG |
| Transducer Type | DIAPHRAGM |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.062 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Frequency Response Range in Hertz | +220.0 TO 9000.0 |
| Style Designator | SQUARE |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 8.0 VOICE COIL MINIMUM AND 10.0 VOICE COIL MAXIMUM |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.062 INCHES NOMINAL IN |
| Power Rating | 4.00 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 |
|---|---|
| 25C25Z8OT PRIMARY | Quam Nichols Co (USA) |
| Reference | Meaning |
|---|---|
| 10127514-01 | C/1 Advisory reference — outside the item-of-supply concept Litton Network Access Systems Litton Acquired by Northrop Grumman Facility Closed |
| 25C25Z80TK | C/1 Advisory reference — outside the item-of-supply concept Quam Nichols Co |
| 25C1Z80T | 5/9 Secondary reference Quam Nichols Co |
| 300-0019-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5965-01-232-5766 is a Loudspeaker,permanent Magnet, manufactured by Quam Nichols Co, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-232-5766 has 1 manufacturer part number on file: 25C25Z8OT (Quam Nichols Co).
Key specifications for 25C25Z8OT: FSC Application Data: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS; Mounting Facility Quantity: 4; Terminal Quantity: 2; Usage Design: INDOOR AND OUTDOOR. 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.