The Loudspeaker-Control Unit, cataloged under National Stock Number 5965-01-439-6641, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Loudspeaker-Control Unit |
| FSC / FSG | 5965 — Headsets, Handsets, Microphones and Speakers (FSG 59) |
| Parameter | Value |
|---|---|
| NSN | 5965-01-439-6641 |
| Item Name | Loudspeaker-Control Unit |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| G-1961 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. |
| G-196 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 5965-01-439-6641 is a Loudspeaker-Control Unit, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5220-01-458-5301. Verify interchangeability with system specifications before substitution.
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.