The Microphone,dynamic, cataloged under National Stock Number 5965-01-032-9146, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-032-9146 |
| Primary Part Number | 051980 |
| Item Name | Microphone,dynamic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Sound Pickup Directional Type | OMNIDIRECTIONAL |
| Frequency Response Range in Hertz | +300.0 TO 3500.0 |
| Polarity Connection | NOT REQUIRED |
| Impedance Rating | 150.0 OHMS NOMINAL |
| Output Sensitivity Rating in Decibels | -55.0 |
| Electrical Connection Type | INTEGRAL CORD |
| 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 |
|---|---|
| 051980 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 887F050052 ITEM 18 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887F05005L ITEM | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 887C051980 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
| 887C051980 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5965-01-032-9146 is a Microphone,dynamic, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-032-9146 has 2 manufacturer part numbers on file: 051980 (L3 Technologies, Inc. Div L3 Keo), 887F050052 ITEM 18 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-536-6110. Verify interchangeability with system specifications before substitution.
Key specifications for 051980: Sound Pickup Directional Type: OMNIDIRECTIONAL; Frequency Response Range in Hertz: +300.0 TO 3500.0; Polarity Connection: NOT REQUIRED; Impedance Rating: 150.0 OHMS NOMINAL. 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.