PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4340Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-01-024-1309 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-024-1309 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-024-1309. Primary manufacturer part number: 4340.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Output Rating: 2500.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
  • Light Intensity Distribution Feature: PARABOLIC REFLECTOR
  • Average Life Rating in Hours: 400.0
  • Specification/standard Data: 08108-4340 MANUFACTURERS STANDARD
  • Emitted Light Characteristic: COLORLESS
  • Rated Average Life: HOURS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-024-1309, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-024-1309
Primary Part Number4340
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating2500.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Average Life Rating in Hours400.0
Specification/standard Data08108-4340 MANUFACTURERS STANDARD
Emitted Light CharacteristicCOLORLESS
Rated Average LifeHOURS
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorPAR-36
Wattage Rating80.000 WATTS
Voltage Rating48.000 VOLTS NOMINAL
Base StyleTWO SLIP-ON TERMINALS
Filament DesignationC-2V V
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Current Rating for Which Designed1.667 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3940-00-008-6144PDG4340 INTERCHANGEABLE
Adapter,hoisting
Champ Industries Div Champ Industries, Inc
5310-00-012-0622 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-429-3135Z098004340 INTERCHANGEABLE
Nut,plain,hexagon
Prestolite Electric Inc
6625-00-946-46194340 INTERCHANGEABLE
Resistor,switch Ass
Electro Scientific Industries Inc
5962-01-018-0554C9129-1 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5825-01-107-85854340 INTERCHANGEABLE
Monitor,phase
Active Control Instrumentation Aci
5305-01-293-95454340 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
1385-01-676-78414340 INTERCHANGEABLE
Breech Cap
Ideal Products Inc.
Cross-Reference Index
Part NumberManufacturer
4340 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4340 J. W. Speaker Corporation Dba Jw Speaker Corp (USA)
4340 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
4908970 J. W. Speaker Corporation Dba Jw Speaker Corp (USA)
Related Parts
3940-00-008-6144INTERCHANGEABLE
ADAPTER,HOISTING
PDG4340
5310-00-012-0622INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-429-3135INTERCHANGEABLE
NUT,PLAIN,HEXAGON
Z098004340
6625-00-946-4619INTERCHANGEABLE
RESISTOR,SWITCH ASS
4340
5962-01-018-0554INTERCHANGEABLE
MICROCIRCUIT,LINEAR
C9129-1
5825-01-107-8585INTERCHANGEABLE
MONITOR,PHASE
4340
5305-01-293-9545INTERCHANGEABLE
SCREW,SHOULDER
4340
1385-01-676-7841INTERCHANGEABLE
BREECH CAP
4340

Frequently Asked Questions

What is NSN 6240-01-024-1309?

NSN 6240-01-024-1309 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-024-1309?

NSN 6240-01-024-1309 has 4 cross-referenced part numbers: 4340 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 4340 (J. W. Speaker Corporation Dba Jw Speaker Corp), 4340 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 4908970 (J. W. Speaker Corporation Dba Jw Speaker Corp).

What NSN replaces 6240-01-024-1309?

There are 8 known substitutes for 6240-01-024-1309: 3940-00-008-6144, 5310-00-012-0622, 5310-00-429-3135 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4340?

Key specifications for 4340: Filament Heavy Duty Service Rating: NOT RATED; Light Output Rating: 2500.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING; Light Intensity Distribution Feature: PARABOLIC REFLECTOR; Average Life Rating in Hours: 400.0. 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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