The Microphone,dynamic, cataloged under National Stock Number 5965-01-549-6352, 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 W R Systems Ltd Dba Alert. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5965-01-549-6352 |
| Primary Part Number | WRS 12151 |
| Item Name | Microphone,dynamic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | W R Systems Ltd Dba Alert |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| WRS 12151 | W R Systems Ltd Dba Alert (USA) |
| Reference | Meaning |
|---|---|
| PZM-11LLWRS1 | 3/9 Design control — primary reference Crown Audio, Inc. Dba Crown International |
| WRS 12151 | 5/9 Secondary reference Sqv Technologies, Inc. Dba Sqv Technologies |
| PZM-11LLWRSI | 5/9 Secondary reference Beaver Precision Products Inc |
NSN 5965-01-549-6352 is a Microphone,dynamic, manufactured by W R Systems Ltd Dba Alert, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-549-6352 has 1 manufacturer part number on file: WRS 12151 (W R Systems Ltd Dba Alert).
Key specifications for WRS 12151: Criticality Code Justification: AGAV; Special Features: PZM-11LL CAN BE POWERED 3 WAYS 24V AC, 12-24V DC OR 12-48V PHANTOM POWER; PRESSURE ZONE MICROPHONE DESIGNED FOR CONFERENCE ROOM, SECURITY, AND SURVEILLANCE APPLICATIONS; WEATHER RESISTANT V; Part Name Assigned by Controlling Agency: CROWN PZM11 BOUNDARY MICROPHONE; End Item Identification: 7655258 (1 BCK 1) PRESSURE ZONE MIC, ANNC SYS. 1 specification is 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.