The Microphone,dynamic, cataloged under National Stock Number 5965-00-407-0308, 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 Instruments and Flight Research, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5965-00-407-0308 |
| Primary Part Number | 722979-1 |
| Item Name | Microphone,dynamic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| Length | 5.500 INCHES NOMINAL IN |
| Body Style | STAND TYPE W/ OR W/O STAND |
| Sound Pickup Directional Type | NOT RATED |
| Connector Identification | MIL-P-642/4A-2 A |
| Frequency Response Range in Hertz | +60.0 TO 10000.0 |
| Extended Cable Length | 20.0 FEET NOMINAL FT |
| Diameter | 4.000 INCHES NOMINAL IN |
| Connector Manufacturer Code | 81349 |
| Polarity Connection | NOT REQUIRED |
| Height | 8.000 INCHES NOMINAL IN |
| Impedance Rating | 25.0 KILOHMS NOMINAL |
| Accessory Components | CONNECTOR AND CORD |
| Output Sensitivity Rating in Decibels | -52.0 |
| Electrical Connection Type | PLUG |
| 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 |
|---|---|
| 722979-1 PRIMARY | Instruments and Flight Research, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 250 | 5/9 Secondary reference Turner Div of Conrac Corp |
| A75042 | 5/9 Secondary reference Turner Div of Conrac Corp |
| 750HL | 5/9 Secondary reference Turner Div of Conrac Corp |
NSN 5965-00-407-0308 is a Microphone,dynamic, manufactured by Instruments and Flight Research, Inc., classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-407-0308 has 1 manufacturer part number on file: 722979-1 (Instruments and Flight Research, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5965-00-444-6544. Verify interchangeability with system specifications before substitution.
Key specifications for 722979-1: Length: 5.500 INCHES NOMINAL IN; Body Style: STAND TYPE W/ OR W/O STAND; Sound Pickup Directional Type: NOT RATED; Connector Identification: MIL-P-642/4A-2 A. 14 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.