The Microphone,crystal, cataloged under National Stock Number 5965-01-643-8470, 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 Zenitel Usa, Inc.. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-01-643-8470 |
| Primary Part Number | P-66/10 |
| Item Name | Microphone,crystal |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Zenitel Usa, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| P66 | Zenitel Norway As Avd Horten (NOR) |
| MES21-0402-1 | Marine Electronic Systems Ltd (GBR) |
| 3005020039 | Zenitel Norway As Avd Horten (NOR) |
| P-66/10 PRIMARY | Zenitel Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P-66 | 5/9 Secondary reference Zenitel Usa, Inc. |
NSN 5965-01-643-8470 is a Microphone,crystal, manufactured by Zenitel Usa, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-643-8470 has 4 manufacturer part numbers on file: P66 (Zenitel Norway As Avd Horten), MES21-0402-1 (Marine Electronic Systems Ltd), 3005020039 (Zenitel Norway As Avd Horten), P-66/10 (Zenitel Usa, Inc.).
Key specifications for P-66/10: Special Features: HEAVY DUTY HANDHELD MICROPHONE W/PLUG,10M CABLE; Part Name Assigned by Controlling Agency: MICROPHONE; End Item Identification: BOAT,PATROL 7. 0 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.