PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4459Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-068-5543 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-068-5543 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-068-5543. Primary manufacturer part number: 4459.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 3.125 AMPERES NOMINAL
  • Wattage Rating: 40.000 WATTS
  • Average Life Rating in Hours: 320.0
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Intensity Distribution Feature: PARABOLIC REFLECTOR
  • Base Style: THREE SLIP-ON TERMINALS
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-068-5543, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-068-5543
Primary Part Number4459
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Current Rating for Which Designed3.125 AMPERES NOMINAL
Wattage Rating40.000 WATTS
Average Life Rating in Hours320.0
Filament Heavy Duty Service RatingNOT RATED
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Base StyleTHREE SLIP-ON TERMINALS
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Bulb DesignatorPAR-46
Filament DesignationC-6
Voltage Rating12.800 VOLTS NOMINAL
Emitted Light CharacteristicCOLORLESS
Light Output Rating1300.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Specification/standard Data08108-4459 MANUFACTURERS STANDARD
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-192-024510268 INTERCHANGEABLE
Relay,electromagnetic
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
5310-00-227-4883F0846-006 INTERCHANGEABLE
Washer,spring Tension
Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol
3455-00-455-9096B-12 INTERCHANGEABLE
Cutter,milling,end
Pohl Tool Co
3040-00-461-8856204459 INTERCHANGEABLE
Shaft,straight
Clark Material Handling Company
6105-00-643-471843236-0 INTERCHANGEABLE
Motor,direct Current
Western Sky Industries Inc Dba Electromech Techologies
5940-00-913-063129-187 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5999-00-994-028444-59 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
6625-01-115-6251400-0624 INTERCHANGEABLE
Counter,electronic,digital Reado
Atec Inc
1650-01-155-017629187 INTERCHANGEABLE
Cartridge,nitrogen
Tyco Fire Products Lp
7010-01-339-56264459 INTERCHANGEABLE
Computer System,digital
Lockheed Martin Services, Llc
Cross-Reference Index
Part NumberManufacturer
29187 Hall C M Lamp Co (USA)
4459 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
505085M1 Zf Industrieantriebe Witten Gmbh (DEU)
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4459 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
5945-00-192-0245INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10268
5310-00-227-4883INTERCHANGEABLE
WASHER,SPRING TENSION
F0846-006
3455-00-455-9096INTERCHANGEABLE
CUTTER,MILLING,END
B-12
3040-00-461-8856INTERCHANGEABLE
SHAFT,STRAIGHT
204459
6105-00-643-4718INTERCHANGEABLE
MOTOR,DIRECT CURRENT
43236-0
5940-00-913-0631INTERCHANGEABLE
TERMINAL,LUG
29-187
5999-00-994-0284INTERCHANGEABLE
DELAY LINE
44-59
6625-01-115-6251INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
400-0624
1650-01-155-0176INTERCHANGEABLE
CARTRIDGE,NITROGEN
29187
7010-01-339-5626INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
4459

Frequently Asked Questions

What is NSN 6240-00-068-5543?

NSN 6240-00-068-5543 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 6240-00-068-5543?

NSN 6240-00-068-5543 has 5 cross-referenced part numbers: 29187 (Hall C M Lamp Co), 4459 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 505085M1 (Zf Industrieantriebe Witten Gmbh), WL50 (Federal Specifications Promulgated by General Services Administration Washington DC), 4459 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-068-5543?

There are 10 known substitutes for 6240-00-068-5543: 5945-00-192-0245, 5310-00-227-4883, 3455-00-455-9096 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4459?

Key specifications for 4459: Current Rating for Which Designed: 3.125 AMPERES NOMINAL; Wattage Rating: 40.000 WATTS; Average Life Rating in Hours: 320.0; Filament Heavy Duty Service Rating: NOT RATED. 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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