The Headset-Microphone, cataloged under National Stock Number 5965-01-659-5671, 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 Vxi Corporation. Government technical data includes 8 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 | 5965-01-659-5671 |
| Primary Part Number | VXIPP21VHSSNO |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Vxi Corporation |
| Status | ACTIVE |
| Microphone Element Type | ELECTRET CONDENSER |
| Mounting Method | SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE |
| Microphone Mounting Facility | BOOM ATTACHED TO HEADBAND |
| Earphone Quantity | 2 |
| Impedance Rating | 2.0 OHMS NOMINAL |
| Earphone Element Type | DYNAMIC |
| Frequency Rating | 20.0 HERTZ NOMINAL AND 15.0 KILOHERTZ NOMINAL |
| Earphone Impedance Rating | 150.0 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 |
|---|---|
| VXIPP21VHSSNO PRIMARY | Vxi Corporation (USA) |
| MES26-0530-1 | Marine Electronic Systems Ltd (GBR) |
NSN 5965-01-659-5671 is a Headset-Microphone, manufactured by Vxi Corporation, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-659-5671 has 2 manufacturer part numbers on file: VXIPP21VHSSNO (Vxi Corporation), MES26-0530-1 (Marine Electronic Systems Ltd).
Key specifications for VXIPP21VHSSNO: Microphone Element Type: ELECTRET CONDENSER; Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE; Microphone Mounting Facility: BOOM ATTACHED TO HEADBAND; Earphone Quantity: 2. 8 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.