PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F40 CW/U/3/WMLamp,fluorescent

General Electric Company Dba Ge · NSN 6240-01-344-4823 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-4823 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-4823. Primary manufacturer part number: F40 CW/U/3/WM.
Features
  • Lamp,fluorescent — FSC 6240
  • Wattage Rating: 40.000 WATTS
  • Criticality Code Justification: FEAT
  • Rated Average Life: HOURS
  • Starting Characteristic: RAPID
  • Average Life Rating in Hours: 12000.0
  • Bulb Designator: T-12
  • Emitted Light Characteristic: WHITE, COOL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-344-4823, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Company Dba Ge. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-01-344-4823
Primary Part NumberF40 CW/U/3/WM
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Company Dba Ge
StatusCANCELLED
Wattage Rating40.000 WATTS
Criticality Code JustificationFEAT
Rated Average LifeHOURS
Starting CharacteristicRAPID
Average Life Rating in Hours12000.0
Bulb DesignatorT-12
Emitted Light CharacteristicWHITE, COOL
Base StyleMEDIUM BIPIN (FLUORESCENT)
Bulb StyleT ("U" SHAPED TUBULAR)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3040-00-200-479739631 INTERCHANGEABLE
Brake,shoe Type
Scientific Atlanta Inc
5905-00-552-590439631 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5305-01-116-11620096237 INTERCHANGEABLE
Setscrew
Perkins Engines Inc
6230-01-513-21003963 INTERCHANGEABLE
Light,marker,distress
Acr Electronics, Inc. Dba Acr Electronics Inc
Cross-Reference Index
Part NumberManufacturer
FB40CW/3/EW Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
39631 General Electric Company Dba Ge (USA)
F40 CW/U/3/WM PRIMARY General Electric Company Dba Ge (USA)
F40CWU3 General Electric Company Dba Ge (USA)
Related Parts
3040-00-200-4797INTERCHANGEABLE
BRAKE,SHOE TYPE
39631
5905-00-552-5904INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
39631
5305-01-116-1162INTERCHANGEABLE
SETSCREW
0096237
6230-01-513-2100INTERCHANGEABLE
LIGHT,MARKER,DISTRESS
3963

Frequently Asked Questions

What is NSN 6240-01-344-4823?

NSN 6240-01-344-4823 is a Lamp,fluorescent, manufactured by General Electric Company Dba Ge, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-344-4823?

NSN 6240-01-344-4823 has 4 cross-referenced part numbers: FB40CW/3/EW (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 39631 (General Electric Company Dba Ge), F40 CW/U/3/WM (General Electric Company Dba Ge), F40CWU3 (General Electric Company Dba Ge).

What NSN replaces 6240-01-344-4823?

There are 4 known substitutes for 6240-01-344-4823: 3040-00-200-4797, 5905-00-552-5904, 5305-01-116-1162 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F40 CW/U/3/WM?

Key specifications for F40 CW/U/3/WM: Wattage Rating: 40.000 WATTS; Criticality Code Justification: FEAT; Rated Average Life: HOURS; Starting Characteristic: RAPID. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-344-4823 still in active supply?

NSN 6240-01-344-4823 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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