NSN 5965-01-322-6637 · NIIN 013226637 · Part number 128-2974
M & S Electronics Inc · FSC 5965 — Headsets, Handsets, Microphones and Speakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 56875
Government record, cited
NSN 5965-01-322-6637 — this item is cataloged by the U.S. Government under National Stock Number 5965-01-322-6637. Manufacturer of record part number: 128-2974.
Also searched as5965-01-322-6637 ·
5965013226637 ·
NIIN 013226637 ·
01-322-6637 ·
FSC 5965 Headsets, Handsets, Microphones and Speakers · CAGE 56875 · 128-2974
Frequency Response Range in Hertz: +125.0 TO 9000.0
Impedance Rating in Ohms: 3.0 VOICE COIL MINIMUM AND 4.0 VOICE COIL MAXIMUM
Power Rating: 3.50 WATTS NORMAL
Identification
NSN: 5965-01-322-6637
NIIN: 013226637
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 128-2974
Manufacturer: M & S Electronics Inc
General Description
The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-01-322-6637, 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 M & S Electronics Inc. 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
5965-01-322-6637
Primary Part Number
128-2974
Item Name
Loudspeaker,permanent Magnet
FSC / FSG
5965 / 59 — Headsets, Handsets, Microphones and Speakers
Manufacturer
M & S Electronics Inc
Status
ACTIVE
Voice Coil Diameter
0.563 INCHES NOMINAL IN
FSC Application Data
COMMUNICATION EQUIPMENT
Usage Design
INDOOR
Transducer Type
CONE
Frequency Response Range in Hertz
+125.0 TO 9000.0
Impedance Rating in Ohms
3.0 VOICE COIL MINIMUM AND 4.0 VOICE COIL MAXIMUM
Power Rating
3.50 WATTS NORMAL
Installation Design
PORTABLE
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 5965-01-322-6637?
NSN 5965-01-322-6637 is a Loudspeaker,permanent Magnet, manufactured by M & S Electronics Inc, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
What part numbers are listed for NSN 5965-01-322-6637?
NSN 5965-01-322-6637 has 1 manufacturer part number on file: 128-2974 (M & S Electronics Inc).
What are the specifications of 128-2974?
Key specifications for 128-2974: Voice Coil Diameter: 0.563 INCHES NOMINAL IN; FSC Application Data: COMMUNICATION EQUIPMENT; Usage Design: INDOOR; Transducer Type: CONE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5965-01-322-6637 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.