NSN 5965-01-671-9650 · NIIN 016719650 · Part number EM-OTS2
Undersea Systems International, Inc. Dba Ocean Technology Systems · FSC 5965 — Headsets, Handsets, Microphones and Speakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 46646
Government record, cited
NSN 5965-01-671-9650 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-671-9650. Manufacturer of record part number: EM-OTS2.
Also searched as5965-01-671-9650 ·
5965016719650 ·
NIIN 016719650 ·
01-671-9650 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 46646 · EM-OTS2
Manufacturer of record: Undersea Systems International, Inc. Dba Ocean Technology Systems
Identification
NSN: 5965-01-671-9650
NIIN: 016719650
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: EM-OTS2
Manufacturer: Undersea Systems International, Inc. Dba Ocean Technology Systems
General Description
The Headset-Microphone, cataloged under National Stock Number 5965-01-671-9650, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5965-01-671-9650
Primary Part Number
EM-OTS2
Item Name
Headset-Microphone
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
Undersea Systems International, Inc. Dba Ocean Technology Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Undersea Systems International, Inc. Dba Ocean Technology Systems (USA)
No interchangeability data on file.
Other items in FSC 5965 — Headsets, Handsets, Microphones and Speakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5965-00-001-1492
5965-00-001-1492 · Item name not on file
5965-00-001-7591
CUSHION,EAR
5965-00-001-7592
CUSHION,HEADBAND
5965-00-001-7593
MICROPHONE ELEMENT
5965-00-003-2686
5965-00-003-2686 · Item name not on file
5965-00-003-2690
5965-00-003-2690 · Item name not on file
5965-00-003-4754
5965-00-003-4754 · Item name not on file
5965-00-004-5510
5965-00-004-5510 · Item name not on file
Frequently Asked Questions
What is NSN 5965-01-671-9650?
NSN 5965-01-671-9650 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.
What part numbers are listed for NSN 5965-01-671-9650?
NSN 5965-01-671-9650 has 1 manufacturer part number on file: EM-OTS2 (Undersea Systems International, Inc. Dba Ocean Technology Systems).
What are the specifications of EM-OTS2?
Key specifications for EM-OTS2: Special Features: CONNECT HARD-WIRE OR THROUGH WATER COMMUNICATION TO A HELMET OR FULL FACE MASK,; Part Name Assigned by Controlling Agency: EARPHONE/MICROPHONE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-671-9650 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.