PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2TLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-238-8527 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-238-8527 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-238-8527. Primary manufacturer part number: 2T.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Designator: T-2
  • Bulb Style: T (TUBULAR)
  • Current Rating for Which Designed: 0.034 AMPERES MINIMUM AND 0.046 AMPERES MAXIMUM
  • Emitted Light Characteristic: WHITE
  • Rated Average Life: NOT RATED
  • Filament Heavy Duty Service Rating: NOT RATED
  • Features Provided: FILAMENT SHIELDING AND HEAT RESISTANT GLASS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-238-8527, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-238-8527
Primary Part Number2T
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Bulb DesignatorT-2
Bulb StyleT (TUBULAR)
Current Rating for Which Designed0.034 AMPERES MINIMUM AND 0.046 AMPERES MAXIMUM
Emitted Light CharacteristicWHITE
Rated Average LifeNOT RATED
Filament Heavy Duty Service RatingNOT RATED
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Base StyleTELEPHONE SLIDE NUMBER ONE
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-100-7890 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-195-24252T280 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5905-00-197-4268 INTERCHANGEABLE
Resistor,adjustable
5365-00-769-17802T INTERCHANGEABLE
Ring
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6520-00-935-72562T INTERCHANGEABLE
Plugger,amalgam,dental
Heraeus Kulzer Inc Dental Products Div
5940-01-006-448726-145 INTERCHANGEABLE
Splice,conductor
Smart Machines, Inc. Dba Barker and Williamson
5133-01-413-364215102 INTERCHANGEABLE
Drill,multi-Step
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
2T Lucent Technologies Inc Corporate Headquarters (USA)
2T At and T Corp (USA)
2T American Telephone and Telegraph Co (USA)
2T PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
5905-00-100-7890INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-195-2425INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2T280
5905-00-197-4268INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5365-00-769-1780INTERCHANGEABLE
RING
2T
6520-00-935-7256INTERCHANGEABLE
PLUGGER,AMALGAM,DENTAL
2T
5940-01-006-4487INTERCHANGEABLE
SPLICE,CONDUCTOR
26-145
5133-01-413-3642INTERCHANGEABLE
DRILL,MULTI-STEP
15102

Frequently Asked Questions

What is NSN 6240-00-238-8527?

NSN 6240-00-238-8527 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 6240-00-238-8527?

NSN 6240-00-238-8527 has 4 cross-referenced part numbers: 2T (Lucent Technologies Inc Corporate Headquarters), 2T (At and T Corp), 2T (American Telephone and Telegraph Co), 2T (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-238-8527?

There are 7 known substitutes for 6240-00-238-8527: 5905-00-100-7890, 5905-00-195-2425, 5905-00-197-4268 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2T?

Key specifications for 2T: Bulb Designator: T-2; Bulb Style: T (TUBULAR); Current Rating for Which Designed: 0.034 AMPERES MINIMUM AND 0.046 AMPERES MAXIMUM; Emitted Light Characteristic: WHITE. 10 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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