PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4102Loudspeaker,permanent Magnet

Lampkin Laboratories Inc · NSN 5965-00-087-3245 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-087-3245 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-087-3245. Primary manufacturer part number: 4102.
Features
  • Loudspeaker,permanent Magnet — FSC 5965
  • Overall Diameter: 2.750 INCHES NOMINAL IN
  • Transducer Diameter: 2.5 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 3.5 VOICE COIL NOMINAL
  • Style Designator: ROUND
  • Mounting Facility Circle Radius: 0.125 INCHES NOMINAL IN
  • Installation Design: NONPORTABLE
  • Transducer Type: CONE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Loudspeaker,permanent Magnet, cataloged under National Stock Number 5965-00-087-3245, 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 Lampkin Laboratories Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5965-00-087-3245
Primary Part Number4102
Item NameLoudspeaker,permanent Magnet
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerLampkin Laboratories Inc
StatusACTIVE
Overall Diameter2.750 INCHES NOMINAL IN
Transducer Diameter2.5 INCHES NOMINAL IN
Impedance Rating in Ohms3.5 VOICE COIL NOMINAL
Style DesignatorROUND
Mounting Facility Circle Radius0.125 INCHES NOMINAL IN
Installation DesignNONPORTABLE
Transducer TypeCONE
Mounting MethodTHREADED HOLE(S)
Angle Between Centerlines of Mounting Holes in Deg45.0
Mounting Facility Quantity2
Terminal Quantity2
Usage DesignOUTDOOR
Mounting Facility Thread Size and Series/type Designator10-32 UNF
Terminal TypeTAB, SOLDER LUG
Center to Center Distance Between Mounting Holes2.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-059-8228MS35214-3 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1450-00-148-7758 INTERCHANGEABLE
Adapter,clutch Main
3110-00-151-8504 INTERCHANGEABLE
Ring,bearing,outer
4820-00-200-0664CFA40614 INTERCHANGEABLE
Valve,globe
Curtis Dyna-Fog, Ltd.
5935-00-220-98174-102 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5930-00-375-06344102 INTERCHANGEABLE
Switch,toggle
M and I Electric Industries Inc
2040-00-388-0810 INTERCHANGEABLE
Sleeve,bearing
5950-00-537-4964 INTERCHANGEABLE
Transformer,radio Frequency
5355-00-644-10914102-2 INTERCHANGEABLE
Knob
Consolidated International Corp
5940-00-949-3130 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
4102 Lampkin Laboratories Inc (USA)
68-2842 Quam Nichols Co (USA)
Related Parts
5305-00-059-8228INTERCHANGEABLE
SCREW,MACHINE
MS35214-3
1450-00-148-7758INTERCHANGEABLE
ADAPTER,CLUTCH MAIN
3110-00-151-8504INTERCHANGEABLE
RING,BEARING,OUTER
4820-00-200-0664INTERCHANGEABLE
VALVE,GLOBE
CFA40614
5935-00-220-9817INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4-102
5930-00-375-0634INTERCHANGEABLE
SWITCH,TOGGLE
4102
2040-00-388-0810INTERCHANGEABLE
SLEEVE,BEARING
5950-00-537-4964INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5355-00-644-1091INTERCHANGEABLE
KNOB
4102-2
5940-00-949-3130INTERCHANGEABLE
TERMINAL BOARD
4730-00-984-0542INTERCHANGEABLE
COUPLING,HOSE
5920-01-070-8089INTERCHANGEABLE
FUSE,CARTRIDGE

Frequently Asked Questions

What is NSN 5965-00-087-3245?

NSN 5965-00-087-3245 is a Loudspeaker,permanent Magnet, manufactured by Lampkin Laboratories Inc, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-00-087-3245?

NSN 5965-00-087-3245 has 2 cross-referenced part numbers: 4102 (Lampkin Laboratories Inc), 68-2842 (Quam Nichols Co).

What NSN replaces 5965-00-087-3245?

There are 12 known substitutes for 5965-00-087-3245: 5305-00-059-8228, 1450-00-148-7758, 3110-00-151-8504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4102?

Key specifications for 4102: Overall Depth: 1.750 INCHES NOMINAL IN; Overall Diameter: 2.750 INCHES NOMINAL IN; Transducer Diameter: 2.5 INCHES NOMINAL IN; Impedance Rating in Ohms: 3.5 VOICE COIL NOMINAL. 16 total characteristics are documented in the Federal Logistics Information System.

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