NSN 5965-01-285-2133 · NIIN 012852133 · Part number 52/TMM/ET-2
R-Columbia Products Co · FSC 5965 — Headsets, Handsets, Microphones and Speakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 8T639
Government record, cited
NSN 5965-01-285-2133 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-285-2133. Manufacturer of record part number: 52/TMM/ET-2.
Also searched as5965-01-285-2133 ·
5965012852133 ·
NIIN 012852133 ·
01-285-2133 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 8T639 · 52/TMM/ET-2
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 52/TMM/ET-2
Manufacturer: R-Columbia Products Co
General Description
The Headset-Microphone, cataloged under National Stock Number 5965-01-285-2133, 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 R-Columbia Products Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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
5965-01-285-2133
Primary Part Number
52/TMM/ET-2
Item Name
Headset-Microphone
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
R-Columbia Products Co
Status
ACTIVE
Unable to Decode
UNABLE TO DECODE
Microphone Element Type
CRYSTAL
Unable to Decode
UNABLE TO DECODE
Unable to Decode
UNABLE TO DECODE
Earphone Identifying Number
52/TMM/ET-2 PART NO.
Earphone Quantity
2
Earphone Element Type
DYNAMIC
Earphone Controlling Agency
R-COLUMBIA PRODUCTS CO
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5965-01-285-2133?
NSN 5965-01-285-2133 is a Headset-Microphone, manufactured by R-Columbia Products Co, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-285-2133?
NSN 5965-01-285-2133 has 1 manufacturer part number on file: 52/TMM/ET-2 (R-Columbia Products Co).
What are the specifications of 52/TMM/ET-2?
Key specifications for 52/TMM/ET-2: Unable to Decode: UNABLE TO DECODE; Microphone Element Type: CRYSTAL; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-285-2133 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.