PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2ULamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-881-7980 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-881-7980 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-881-7980. Primary manufacturer part number: 2U.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: INDEFINITE LONG
  • Wattage Rating: 0.768 WATTS AND 0.912 WATTS
  • Emitted Light Characteristic: COLORLESS
  • Current Rating for Which Designed: 0.032 AMPERES MINIMUM AND 0.038 AMPERES MAXIMUM
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-2
  • Base Style: TELEPHONE SLIDE NUMBER TWO
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-881-7980, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-881-7980
Primary Part Number2U
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Rated Average LifeINDEFINITE LONG
Wattage Rating0.768 WATTS AND 0.912 WATTS
Emitted Light CharacteristicCOLORLESS
Current Rating for Which Designed0.032 AMPERES MINIMUM AND 0.038 AMPERES MAXIMUM
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-2
Base StyleTELEPHONE SLIDE NUMBER TWO
Light Output Rating0.200 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleT (TUBULAR)
Voltage Rating24.000 VOLTS NOMINAL
Filament DesignationC-2F
Average Life Rating in Hours5000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6240-00-155-7837 INTERCHANGEABLE
Lamp,incandescent
5920-00-189-6745 INTERCHANGEABLE
Fuse,enclosed Link
3417-00-196-73422U INTERCHANGEABLE
Milling Machine,horizontal,unive
Cincinnati Machine Co
6240-00-250-690424B2 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5365-00-371-44818314080 INTERCHANGEABLE
Spacer,sleeve
The Gorman-Rupp Company Div Gorman-Rupp
6240-00-715-0037 INTERCHANGEABLE
Lamp,incandescent
6240-00-715-10392450-00032 INTERCHANGEABLE
Lamp,incandescent
W. & O. Supply, Inc. Dba Emi Div Emi
5120-00-834-3732 INTERCHANGEABLE
Nutdriver
6240-00-881-801448D2 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Cross-Reference Index
Part NumberManufacturer
2U Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
1806912 Northrop Grumman Systems Corporation (USA)
C78-392 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
801369-000 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
24B2 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
24E-2 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
24B-2 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
24E2 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
801369-000 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
2U American Telephone and Telegraph Co (USA)
24E Shelly Associates Inc. (USA)
24TC American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
6240-00-155-7837INTERCHANGEABLE
LAMP,INCANDESCENT
5920-00-189-6745INTERCHANGEABLE
FUSE,ENCLOSED LINK
3417-00-196-7342INTERCHANGEABLE
MILLING MACHINE,HORIZONTAL,UNIVE
2U
6240-00-250-6904INTERCHANGEABLE
LAMP,INCANDESCENT
24B2
5365-00-371-4481INTERCHANGEABLE
SPACER,SLEEVE
8314080
6240-00-715-0037INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-715-1039INTERCHANGEABLE
LAMP,INCANDESCENT
2450-00032
5120-00-834-3732INTERCHANGEABLE
NUTDRIVER
6240-00-881-8014INTERCHANGEABLE
LAMP,INCANDESCENT
48D2

Frequently Asked Questions

What is NSN 6240-00-881-7980?

NSN 6240-00-881-7980 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 6240-00-881-7980?

NSN 6240-00-881-7980 has 12 cross-referenced part numbers: 2U (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 1806912 (Northrop Grumman Systems Corporation), C78-392 (American National Standards Institute Incorporated Dba American National Standards Institute), 801369-000 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 24B2 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 7 more.

What NSN replaces 6240-00-881-7980?

There are 9 known substitutes for 6240-00-881-7980: 6240-00-155-7837, 5920-00-189-6745, 3417-00-196-7342 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2U?

Key specifications for 2U: Rated Average Life: INDEFINITE LONG; Wattage Rating: 0.768 WATTS AND 0.912 WATTS; Emitted Light Characteristic: COLORLESS; Current Rating for Which Designed: 0.032 AMPERES MINIMUM AND 0.038 AMPERES MAXIMUM. 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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