The Handset, cataloged under National Stock Number 5965-00-644-0333, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-00-644-0333 |
| Item Name | Handset |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Status | ACTIVE |
| Microphone Element Type | CARBON |
| Individual Connector Termination Type | LUG |
| Operating Current Rating | 125.0 MILLIAMPERES NOMINAL |
| Conductor Quantity | 3 |
| Power Source | BATTERY |
| Nondefinitive Spec/std Data | H-111/U TYPE |
| Impedance Rating | 28.0 OHMS NOMINAL |
| Earphone Element Type | MAGNETIC |
| Test Data Document | 81349-MIL-H-13253 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Earphone Impedance Rating | 256.0 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 |
| Reference | Meaning |
|---|---|
| H-111/U | 2/2 Government specification standardization U.S. Government activity |
| S6501-595578ITEM24 | 5/1 Secondary reference U.S. Government activity |
| MIL-H-13253/7 | 4/1 Identification reference U.S. Government activity |
| 12T1157LPC155 | 5/1 Secondary reference U.S. Government activity |
| S6501-672181ITEM234 | 5/1 Secondary reference U.S. Government activity |
| H-111/U | 5/1 Secondary reference U.S. Government activity |
| S6501-674044ITEM173 | 5/1 Secondary reference U.S. Government activity |
| MIL-H-13253 | 5/9 Secondary reference U.S. Government activity |
| S6501-672178PC92 | 5/1 Secondary reference U.S. Government activity |
| S6501-595576PC71 | 5/1 Secondary reference U.S. Government activity |
| 12T1162LITEM234 | 5/1 Secondary reference U.S. Government activity |
NSN 5965-00-644-0333 is a Handset, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5965-00-644-0334, 5965-00-669-9146. Verify interchangeability with system specifications before substitution.
Key specifications for 5965-00-644-0333: Microphone Element Type: CARBON; Individual Connector Termination Type: LUG; Operating Current Rating: 125.0 MILLIAMPERES NOMINAL; Conductor Quantity: 3. 10 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.