PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

239Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-914-5578 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-914-5578 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-914-5578. Primary manufacturer part number: 239.
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 6.300 VOLTS NOMINAL
  • Bulb Style: T (TUBULAR)
  • Base Style: MINIATURE BAYONET
  • Average Life Rating in Hours: 10000.0
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Light Output Rating: 0.670 SPHERICAL CANDLEPOWER NOMINAL SECOND RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-914-5578, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN6240-00-914-5578
Primary Part Number239
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Voltage Rating6.300 VOLTS NOMINAL
Bulb StyleT (TUBULAR)
Base StyleMINIATURE BAYONET
Average Life Rating in Hours10000.0
Filament Heavy Duty Service RatingNOT RATED
Bulb Light Transmission CharacteristicTRANSPARENT
Light Output Rating0.670 SPHERICAL CANDLEPOWER NOMINAL SECOND RATING
Wattage Rating2.268 WATTS
Light Output Rating8.400 LUMENS NOMINAL FIRST RATING
Bulb DesignatorT-3 1/4
Current Rating for Which Designed0.360 AMPERES NOMINAL
Rated Average LifeHOURS
Filament DesignationC-2R
Emitted Light CharacteristicCOLORLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-013-1966 INTERCHANGEABLE
Screw,machine
4730-00-104-5990100-245 INTERCHANGEABLE
Plug,end
Zf Off-Highway Solutions Minnesota Inc
5999-00-717-5130100-245 INTERCHANGEABLE
Clip,electrical
Atlee of Delaware, Incorporated
5342-00-929-820651253 INTERCHANGEABLE
Clip,retainer,coil
Mcculloch Corp
5945-00-946-0593455-0178-003 INTERCHANGEABLE
Relay,electromagnetic
The Boeing Company Div Legacy Boeing Hb1
5950-00-950-44412281978 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6110-00-971-2027100245 INTERCHANGEABLE
Regulator,voltage
L3harris Technologies, Inc Div Space & Airborne Systems
3120-01-011-7522250138 INTERCHANGEABLE
Bearing,sleeve
Microwave Power Products, Inc. Div Microwave Power Products Division
3455-01-042-4841 INTERCHANGEABLE
File,rotary
4330-01-046-696051253 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
239 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
100-245 Zenith Electronics Corporation (USA)
CM239 Micro Display Devices Ltd (GBR)
LTX239 Lamptronix Co Ltd (USA)
51253 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
239 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
PL239 Precision Lamp Inc (USA)
250138 Dick a B Co of Canada Ltd (CAN)
87-0087 Finnigan Corporation (USA)
239 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
Related Parts
5305-00-013-1966INTERCHANGEABLE
SCREW,MACHINE
4730-00-104-5990INTERCHANGEABLE
PLUG,END
100-245
5999-00-717-5130INTERCHANGEABLE
CLIP,ELECTRICAL
100-245
5342-00-929-8206INTERCHANGEABLE
CLIP,RETAINER,COIL
51253
5945-00-946-0593INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
455-0178-003
5950-00-950-4441INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
2281978
6110-00-971-2027INTERCHANGEABLE
REGULATOR,VOLTAGE
100245
3120-01-011-7522INTERCHANGEABLE
BEARING,SLEEVE
250138
3455-01-042-4841INTERCHANGEABLE
FILE,ROTARY
4330-01-046-6960INTERCHANGEABLE
FILTER ELEMENT,FLUID
51253
4210-01-186-0907INTERCHANGEABLE
BOX,PULL
870087
5360-01-333-2667INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 6240-00-914-5578?

NSN 6240-00-914-5578 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 6240-00-914-5578?

NSN 6240-00-914-5578 has 10 cross-referenced part numbers: 239 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 100-245 (Zenith Electronics Corporation), CM239 (Micro Display Devices Ltd), LTX239 (Lamptronix Co Ltd), 51253 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 5 more.

What NSN replaces 6240-00-914-5578?

There are 12 known substitutes for 6240-00-914-5578: 5305-00-013-1966, 4730-00-104-5990, 5999-00-717-5130 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 239?

Key specifications for 239: Voltage Rating: 6.300 VOLTS NOMINAL; Bulb Style: T (TUBULAR); Base Style: MINIATURE BAYONET; Average Life Rating in Hours: 10000.0. 15 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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