The Microphone,dynamic, cataloged under National Stock Number 5965-01-229-8721, 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 Shure Bros Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-229-8721 |
| Primary Part Number | 545L |
| Item Name | Microphone,dynamic |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Shure Bros Inc |
| Status | ACTIVE |
| Length | 6.687 INCHES NOMINAL IN |
| Body Style | HAND HELD |
| Mounting Method | CORD |
| Sound Pickup Directional Type | UNIDIRECTIONAL |
| Frequency Response Range in Hertz | +50.0 TO 15000.0 |
| Extended Cable Length | 20.0 FEET NOMINAL FT |
| Diameter | 1.250 INCHES NOMINAL IN |
| Polarity Connection | NOT REQUIRED |
| Cable Shielded Conductor Quantity | 1 |
| Impedance Rating | 150.0 OHMS NOMINAL |
| Accessory Components | CABLE |
| Output AC Voltage Rating | 130.0 MILLIVOLTS NOMINAL |
| Output Sensitivity Rating in Decibels | -77.5 |
| Output Sensitivity Rating Reference | 1 VOLT PER MICROBAR |
| Cable Conductor Quantity | 2 |
| Electrical Connection Type | INTEGRAL CABLE |
| 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 |
|---|---|
| 545L | Shure Bros Inc (USA) |
| Reference | Meaning |
|---|---|
| 12-1346331-1 | 3/9 Design control — primary reference Gte Government Systems Corp Strategic Systems Div |
NSN 5965-01-229-8721 is a Microphone,dynamic, manufactured by Shure Bros Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-229-8721 has 1 manufacturer part number on file: 545L (Shure Bros Inc).
Key specifications for 545L: Length: 6.687 INCHES NOMINAL IN; Body Style: HAND HELD; Mounting Method: CORD; Sound Pickup Directional Type: UNIDIRECTIONAL. 16 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.