The Microphone Element, cataloged under National Stock Number 5965-00-134-0883, 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 Dcm Soundex Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-134-0883 |
| Primary Part Number | 454-00-LSX |
| Item Name | Microphone Element |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Dcm Soundex Inc |
| Status | ACTIVE |
| FSC Application Data | HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS |
| Element Type | DYNAMIC |
| Body Style | ROUND SHAPE |
| Terminal Type | WIRE LEAD |
| DC Resistance Rating in Ohms | 50.0 NOMINAL |
| Supplementary Features | 2 INSULATED WIRE LEADS 1.500 IN. LG SOLDERED TO TERMINALS IN |
| Sound Pickup Directional Type | NOT RATED |
| Diameter | 1.110 INCHES MAXIMUM IN |
| Polarity Connection | REQUIRED |
| Height | 0.305 INCHES MAXIMUM IN |
| Impedance Rating | 120.0 OHMS NOMINAL |
| 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 |
|---|---|
| 454-00-LSX | Dcm Soundex Inc (USA) |
| SM-B-525454 | Raytheon Company (USA) |
| SM-B-525454 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 018-310-003-099 | 5/2 Secondary reference U.S. Government activity |
| SMB525454 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SM-B-525454 | 3/2 Design control — primary reference U.S. Government activity |
| 018-310-001-099 | 5/9 Secondary reference U.S. Government activity |
| SM-B-525454 | 5/9 Secondary reference Raytheon Company Div Corp |
| D158FB130-1 | 5/9 Secondary reference Dyna-Magnetic Devices Inc |
NSN 5965-00-134-0883 is a Microphone Element, manufactured by Dcm Soundex Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-00-134-0883 has 3 manufacturer part numbers on file: 454-00-LSX (Dcm Soundex Inc), SM-B-525454 (Raytheon Company), SM-B-525454 (Raytheon Company Dba Raytheon Co).
Key specifications for 454-00-LSX: FSC Application Data: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS; Element Type: DYNAMIC; Body Style: ROUND SHAPE; Terminal Type: WIRE LEAD. 11 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.