The Microphone,dynamic, cataloged under National Stock Number 5965-01-371-1297, 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 Toa Electronics Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-371-1297 |
| Primary Part Number | PM-660U |
| Item Name | Microphone,dynamic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Toa Electronics Inc |
| Status | ACTIVE |
| Sound Pickup Directional Type | UNIDIRECTIONAL |
| Polarity Connection | NOT REQUIRED |
| Switch Type | PUSH |
| Cable Shielded Conductor Quantity | 2 |
| Output Sensitivity Rating Reference | 1 MILLIVOLT PER 10 MICROBARS |
| Cable Conductor Quantity | 4 |
| 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 |
|---|---|
| PM-660U PRIMARY | Toa Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| PM-600U | 5/9 Secondary reference Toa Electronics Inc |
| 1855079 | 5/9 Secondary reference C Q Construction Corporation |
| PM-660U | 3/9 Design control — primary reference Toa Electronics Inc |
NSN 5965-01-371-1297 is a Microphone,dynamic, manufactured by Toa Electronics Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-371-1297 has 1 manufacturer part number on file: PM-660U (Toa Electronics Inc).
Key specifications for PM-660U: Sound Pickup Directional Type: UNIDIRECTIONAL; Polarity Connection: NOT REQUIRED; Switch Type: PUSH; Cable Shielded Conductor Quantity: 2. 6 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.