PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M137-1Loudspeaker,permanent Magnet

Viking Technologies, Ltd. · NSN 5965-00-162-8271 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-162-8271 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-162-8271. Primary manufacturer part number: M137-1.
Features
  • Loudspeaker,permanent Magnet — FSC 5965
  • Transducer Type: CONE
  • Impedance Rating in Ohms: 4.0 VOICE COIL NOMINAL
  • Mounting Method: UNTHREADED HOLE(S)
  • Transducer Diameter: 4.0 INCHES NOMINAL IN
  • Voice Coil Diameter: 0.562 INCHES NOMINAL IN
  • Overall Diameter: 5.000 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-162-8271, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Viking Technologies, Ltd.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5965-00-162-8271
Primary Part NumberM137-1
Item NameLoudspeaker,permanent Magnet
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerViking Technologies, Ltd.
StatusCANCELLED
Transducer TypeCONE
Impedance Rating in Ohms4.0 VOICE COIL NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Transducer Diameter4.0 INCHES NOMINAL IN
Voice Coil Diameter0.562 INCHES NOMINAL IN
Overall Diameter5.000 INCHES NOMINAL IN
Mounting Facility Quantity4
Mounting Facility Circle Radius1.656 INCHES NOMINAL IN
Power Rating2.00 WATTS NORMAL
Installation DesignNONPORTABLE
Usage DesignOUTDOOR
Style DesignatorROUND
Mounting Hole Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-555-82632AG180 INTERCHANGEABLE
Clamp,hose
Oshkosh Defense Llc
5315-00-725-7650M1371 INTERCHANGEABLE
Pin,straight,headed
Aerosonic Llc
3110-00-880-233410162186 INTERCHANGEABLE
Roller,bearing
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
50B40096 Motorola Inc. Dba Integrated Information Systems Group (USA)
ES0678545-1 Lucent Technologies Inc Corporate Headquarters (USA)
M137-1 PRIMARY Viking Technologies, Ltd. (USA)
ES0678545-1 American Telephone and Telegraph Co (USA)
ES0678545-1 Quam Nichols Co (USA)
ES0678545-1 At and T Corp (USA)
57005700 Deflection Componenbt Div of Solar Systems Inc (USA)
ES0678545-1 Raytheon Company Dba Raytheon Co (USA)
352-110001P1 Raytheon Company Div Corp (USA)
P4XST113 International Jensen Inc Jensen Sound Laboratories (USA)
ES0678545-1 Raytheon Company Div Corp (USA)
ES0678545-1 International Jensen Inc Jensen Sound Laboratories (USA)
PM4A Deflection Componenbt Div of Solar Systems Inc (USA)
P4W International Jensen Inc Jensen Sound Laboratories (USA)
S400D General Electric Company (USA)
4A07 PRIMARY Quam Nichols Co (USA)
ES0678545-1 Viking Technologies, Ltd. (USA)
352-110001P1 Raytheon Company Dba Raytheon Co (USA)
ES0678545-1 General Electric Co Wire and Cable Plant (USA)
50B40096 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Related Parts
4730-00-555-8263INTERCHANGEABLE
CLAMP,HOSE
2AG180
5315-00-725-7650INTERCHANGEABLE
PIN,STRAIGHT,HEADED
M1371
3110-00-880-2334INTERCHANGEABLE
ROLLER,BEARING
10162186

Frequently Asked Questions

What is NSN 5965-00-162-8271?

NSN 5965-00-162-8271 is a Loudspeaker,permanent Magnet, manufactured by Viking Technologies, Ltd., classified under FSC 5965 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5965-00-162-8271?

NSN 5965-00-162-8271 has 23 cross-referenced part numbers: 50B40096 (Motorola Inc. Dba Integrated Information Systems Group), ES0678545-1 (Lucent Technologies Inc Corporate Headquarters), M137-1 (Viking Technologies, Ltd.), ES0678545-1 (American Telephone and Telegraph Co), ES0678545-1 (Quam Nichols Co) and 18 more.

What NSN replaces 5965-00-162-8271?

There are 3 known substitutes for 5965-00-162-8271: 4730-00-555-8263, 5315-00-725-7650, 3110-00-880-2334. Verify interchangeability with system specifications before substitution.

What are the specifications of M137-1?

Key specifications for M137-1: Overall Depth: 2.000 INCHES NOMINAL IN; Transducer Type: CONE; Impedance Rating in Ohms: 4.0 VOICE COIL NOMINAL; Mounting Method: UNTHREADED HOLE(S). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5965-00-162-8271 still in active supply?

NSN 5965-00-162-8271 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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