The Handset, cataloged under National Stock Number 5965-00-164-6633, 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10 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5965-00-164-6633 |
| Item Name | Handset |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Status | ACTIVE |
| Microphone Element Type | CARBON |
| Operating Current Rating | 125.0 MILLIAMPERES NOMINAL |
| Conductor Quantity | 4 |
| Power Source | BATTERY |
| Nondefinitive Spec/std Data | H-22-U TYPE |
| Impedance Rating | 28.0 OHMS NOMINAL |
| Earphone Element Type | MAGNETIC |
| Shank Diameter | 0.250 INCHES IN |
| Earphone Impedance Rating | 3000.000 OHMS NOMINAL |
| Shank Length | 1.218 INCHES IN |
| 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 |
|---|---|
| H22U | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 171-3157 | 5/9 Secondary reference U.S. Government activity |
| H22ABU | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| H22AU | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| H22AU | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-H-13253 | 4/1 Identification reference U.S. Government activity |
| D3580 | C/1 Advisory reference — outside the item-of-supply concept Telephone Company of America Incorporated |
| H22U | 2/2 Government specification standardization U.S. Government activity |
| SC-D-14651 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5965-00-164-6633 is a Handset, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5965-00-223-4739, 5965-00-636-4875, 5965-00-644-0333. Verify interchangeability with system specifications before substitution.
Key specifications for 5965-00-164-6633: Microphone Element Type: CARBON; Operating Current Rating: 125.0 MILLIAMPERES NOMINAL; Conductor Quantity: 4; Power Source: BATTERY. 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.