The Headset-Microphone, cataloged under National Stock Number 5965-01-564-5039, 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 Undersea Systems International, Inc. Dba Ocean Technology Systems. Government technical data includes 3 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 | 5965-01-564-5039 |
| Primary Part Number | 900298-021 |
| Item Name | Headset-Microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Undersea Systems International, Inc. Dba Ocean Technology Systems |
| Status | ACTIVE |
| Mounting Method | SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE |
| Microphone Mounting Facility | ADAPTER FASTENED TO RIGHT SIDE OF HEADBAND |
| Earphone Quantity | 2 |
| 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 |
|---|---|
| 900298-021 PRIMARY | Undersea Systems International, Inc. Dba Ocean Technology Systems (USA) |
| CO3002 | Jfd Ltd (GBR) |
NSN 5965-01-564-5039 is a Headset-Microphone, manufactured by Undersea Systems International, Inc. Dba Ocean Technology Systems, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-564-5039 has 2 manufacturer part numbers on file: 900298-021 (Undersea Systems International, Inc. Dba Ocean Technology Systems), CO3002 (Jfd Ltd).
Key specifications for 900298-021: Mounting Method: SUSPENDED ON ADJUSTABLE HEADBAND EARPHONE; Microphone Mounting Facility: ADAPTER FASTENED TO RIGHT SIDE OF HEADBAND; Earphone Quantity: 2; Special Features: THB-MAG HEADSET WITH BOOM MIC MAG-1001S. MS 6 PIN CONNECTOR. 0.40 STRIP JACKET. BLUE AND RED/EAR SIG. CLEAR/MIC SIG. BLACK MIC GRN. 3 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.