The Headset-Microphone, cataloged under National Stock Number 5965-01-413-2459, 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 Orbital Corporation of Tampa Dba Orbital Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-413-2459 |
| Primary Part Number | JTHM-57(HA2) |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Orbital Corporation of Tampa Dba Orbital Corp |
| Status | ACTIVE |
| Unpackaged Unit Weight | 0.800 POUNDS NOMINAL LBS |
| Controlling Agency | HUGHES AIRCRAFT COMPANY |
| Microphone Element Type | DYNAMIC |
| Mounting Method | SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE |
| Microphone Mounting Facility | ADAPTER FASTENED TO LEFT EARPHONE |
| Identifying Number | 718407-2 PART NO. |
| Supplementary Features | COVERS FOR EAR CUSHIONS ARE INCLUDED. |
| Earphone Identifying Number | 01552001(82872) PART NO. |
| Earphone Quantity | 2 |
| Connector Identifying Number | MS3476L-12-10P TYPE NO. |
| Connector to Junction Cord Length | 108.000 INCHES IN |
| Impedance Rating | 6.0 OHMS NOMINAL |
| Connector Controlling Agency | MILITARY STANDARD |
| Earphone Element Type | MAGNETIC |
| Test Data Document | 05869-718407 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Connector Name | PLUG |
| Earphone Controlling Agency | HAC |
| Earphone Impedance Rating | 625.0 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 |
| Part Number | Manufacturer |
|---|---|
| JTHM-57(HA2) | Orbital Corporation of Tampa Dba Orbital Corp (USA) |
| 718407-2 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 491-159-006-694 | 3/2 Design control — primary reference U.S. Government activity |
| JTHM-57(HA2) | 5/9 Secondary reference Joyce Telectronics Corp |
NSN 5965-01-413-2459 is a Headset-Microphone, manufactured by Orbital Corporation of Tampa Dba Orbital Corp, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-413-2459 has 2 manufacturer part numbers on file: JTHM-57(HA2) (Orbital Corporation of Tampa Dba Orbital Corp), 718407-2 (Raytheon Company Div Rmd Strategic).
Key specifications for JTHM-57(HA2): Unpackaged Unit Weight: 0.800 POUNDS NOMINAL LBS; Controlling Agency: HUGHES AIRCRAFT COMPANY; Microphone Element Type: DYNAMIC; Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE. 18 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.