The Earphone, cataloged under National Stock Number 5965-01-507-3577, 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 Thales Defense & Security Inc Dba Thales Communications Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-507-3577 |
| Primary Part Number | 1100542-501 |
| Item Name | Earphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Thales Defense & Security Inc Dba Thales Communications Inc |
| Status | ACTIVE |
| Input Terminal Type | JACK SIGNAL |
| Supplementary Features | PLUGS INTO THE EAR, PLASTIC LOOP GOES BEHIND THE EAR,2.5MM DIAMETER JACKCONNECTS TO SPEAKER MICROPHONE AND MUTES ITS SPEAKER MM |
| 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 |
|---|---|
| 1100542-501 PRIMARY | Thales Defense & Security Inc Dba Thales Communications Inc (USA) |
| 996600400V | Thales Italia S.p.a. (ITA) |
NSN 5965-01-507-3577 is a Earphone, manufactured by Thales Defense & Security Inc Dba Thales Communications Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-507-3577 has 2 manufacturer part numbers on file: 1100542-501 (Thales Defense & Security Inc Dba Thales Communications Inc), 996600400V (Thales Italia S.p.a.).
Key specifications for 1100542-501: Input Terminal Type: JACK SIGNAL; Supplementary Features: PLUGS INTO THE EAR, PLASTIC LOOP GOES BEHIND THE EAR,2.5MM DIAMETER JACKCONNECTS TO SPEAKER MICROPHONE AND MUTES ITS SPEAKER MM; Special Features: USED WITH 1600469-4 SPEAKER MICROPHONE; Part Name Assigned by Controlling Agency: EARPHONE KIT FOR SPEAKER MICROPHONE. 2 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.