The Headset-Microphone, cataloged under National Stock Number 5965-01-657-0651, 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 Clear-Com Intercom Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5965-01-657-0651 |
| Primary Part Number | CC-400-X4 |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Clear-Com Intercom Systems |
| Status | ACTIVE |
| Unpackaged Unit Weight | 11.1 OUNCES NOMINAL OZ |
| Microphone Element Type | MAGNETIC |
| Mounting Method | SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE |
| Microphone Mounting Facility | BOOM ATTACHED TO HEADBAND |
| Earphone Quantity | 2 |
| Earphone Element Type | DYNAMIC |
| Connector Name | CONNECTOR |
| Earphone Impedance Rating | 200.0 OHMS MINIMUM |
| 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 |
|---|---|
| CC-400-X4 PRIMARY | Clear-Com Intercom Systems (USA) |
| Reference | Meaning |
|---|---|
| 5965PL1837649 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5965-01-657-0651 is a Headset-Microphone, manufactured by Clear-Com Intercom Systems, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-657-0651 has 1 manufacturer part number on file: CC-400-X4 (Clear-Com Intercom Systems).
Key specifications for CC-400-X4: Unpackaged Unit Weight: 11.1 OUNCES NOMINAL OZ; Microphone Element Type: MAGNETIC; Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE; Microphone Mounting Facility: BOOM ATTACHED TO HEADBAND. 8 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.