PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2ULamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-250-6904 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-250-6904 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-250-6904. Primary manufacturer part number: 2U.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Designation: C-2F
  • Rated Average Life: INDEFINITE LONG
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Style: T (TUBULAR)
  • Bulb Designator: T-2
  • Base Style: TELEPHONE SLIDE NUMBER TWO
  • Current Rating for Which Designed: 0.035 AMPERES MINIMUM AND 0.045 AMPERES MAXIMUM
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-250-6904, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-250-6904
Primary Part Number2U
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Filament DesignationC-2F
Rated Average LifeINDEFINITE LONG
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleT (TUBULAR)
Bulb DesignatorT-2
Base StyleTELEPHONE SLIDE NUMBER TWO
Current Rating for Which Designed0.035 AMPERES MINIMUM AND 0.045 AMPERES MAXIMUM
Emitted Light CharacteristicCOLORLESS
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3417-00-196-73422U INTERCHANGEABLE
Milling Machine,horizontal,unive
Cincinnati Machine Co
5365-00-371-44818314080 INTERCHANGEABLE
Spacer,sleeve
The Gorman-Rupp Company Div Gorman-Rupp
6240-00-881-7980 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
2U PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
2U At and T Corp (USA)
2U American Telephone and Telegraph Co (USA)
2U Lucent Technologies Inc Corporate Headquarters (USA)
24TC American National Standards Institute Incorporated Dba American National Standards Institute (USA)
24TC PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
24B-2 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
24B2 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
801369-000 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
801369-000 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
2U Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
3417-00-196-7342INTERCHANGEABLE
MILLING MACHINE,HORIZONTAL,UNIVE
2U
5365-00-371-4481INTERCHANGEABLE
SPACER,SLEEVE
8314080
6240-00-881-7980INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 6240-00-250-6904?

NSN 6240-00-250-6904 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: cancelled.

What are the part numbers for NSN 6240-00-250-6904?

NSN 6240-00-250-6904 has 11 cross-referenced part numbers: 2U (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 2U (At and T Corp), 2U (American Telephone and Telegraph Co), 2U (Lucent Technologies Inc Corporate Headquarters), 24TC (American National Standards Institute Incorporated Dba American National Standards Institute) and 6 more.

What NSN replaces 6240-00-250-6904?

There are 3 known substitutes for 6240-00-250-6904: 3417-00-196-7342, 5365-00-371-4481, 6240-00-881-7980. Verify interchangeability with system specifications before substitution.

What are the specifications of 2U?

Key specifications for 2U: Filament Designation: C-2F; Rated Average Life: INDEFINITE LONG; Filament Heavy Duty Service Rating: NOT RATED; Bulb Style: T (TUBULAR). 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-250-6904 still in active supply?

NSN 6240-00-250-6904 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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