PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24CLamp,incandescent

General Dynamics Mission Systems, Inc. · NSN 6240-00-228-7131 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-228-7131 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-228-7131. Primary manufacturer part number: 24C.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: TELEPHONE SLIDE NUMBER TWO
  • Features Provided: FILAMENT SHIELDING AND HEAT RESISTANT GLASS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Filament Designation: C-2F
  • Bulb Style: T (TUBULAR)
  • Bulb Designator: T-2
  • Wattage Rating: 1.680 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-228-7131, 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 Dynamics Mission Systems, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-228-7131
Primary Part Number24C
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Base StyleTELEPHONE SLIDE NUMBER TWO
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-2F
Bulb StyleT (TUBULAR)
Bulb DesignatorT-2
Wattage Rating1.680 WATTS
Voltage Rating24.000 VOLTS NOMINAL
Emitted Light CharacteristicCOLORLESS
Filament Heavy Duty Service RatingNOT RATED
Current Rating for Which Designed0.060 AMPERES MINIMUM AND 0.085 AMPERES MAXIMUM
Rated Average LifeNOT RATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5975-00-153-6773 INTERCHANGEABLE
Cover,junction Box
5999-00-204-8350 INTERCHANGEABLE
Clip,electrical
5920-00-228-788931M INTERCHANGEABLE
Fuse,open Link
Reliance Comm/tec Corp Lorain Products Div
5340-00-726-9322 INTERCHANGEABLE
Clamp,loop
5120-00-834-3730 INTERCHANGEABLE
Nutdriver
4730-00-887-71414104 INTERCHANGEABLE
Coupling Half,quick Disconnect
Foster Bros Mfg Co
6140-00-984-0159 INTERCHANGEABLE
Battery,storage
6636-01-026-8169 INTERCHANGEABLE
Environmental Chamber
5977-01-194-7716401882B INTERCHANGEABLE
Brush and Spring Ay
Hobart Bros Co
5325-01-272-9913 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
C78-391 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
24C1 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
24C PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
5975-00-153-6773INTERCHANGEABLE
COVER,JUNCTION BOX
5999-00-204-8350INTERCHANGEABLE
CLIP,ELECTRICAL
5920-00-228-7889INTERCHANGEABLE
FUSE,OPEN LINK
31M
5340-00-726-9322INTERCHANGEABLE
CLAMP,LOOP
5120-00-834-3730INTERCHANGEABLE
NUTDRIVER
4730-00-887-7141INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4104
6140-00-984-0159INTERCHANGEABLE
BATTERY,STORAGE
6636-01-026-8169INTERCHANGEABLE
ENVIRONMENTAL CHAMBER
5977-01-194-7716INTERCHANGEABLE
BRUSH AND SPRING AY
401882B
5325-01-272-9913INTERCHANGEABLE
RING,RETAINING
6140-01-561-7747INTERCHANGEABLE
BATTERY,STORAGE
S24

Frequently Asked Questions

What is NSN 6240-00-228-7131?

NSN 6240-00-228-7131 is a Lamp,incandescent, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-228-7131?

NSN 6240-00-228-7131 has 3 cross-referenced part numbers: C78-391 (American National Standards Institute Incorporated Dba American National Standards Institute), 24C1 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 24C (General Dynamics Mission Systems, Inc.).

What NSN replaces 6240-00-228-7131?

There are 11 known substitutes for 6240-00-228-7131: 5975-00-153-6773, 5999-00-204-8350, 5920-00-228-7889 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24C?

Key specifications for 24C: Base Style: TELEPHONE SLIDE NUMBER TWO; Overall Length: 1.430 INCHES NOMINAL IN; Features Provided: FILAMENT SHIELDING AND HEAT RESISTANT GLASS; Bulb Light Transmission Characteristic: TRANSPARENT. 13 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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