PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12BLamp,incandescent

General Dynamics Mission Systems, Inc. · NSN 6240-00-469-6242 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-469-6242 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-469-6242. Primary manufacturer part number: 12B.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Base Style: TELEPHONE SLIDE NUMBER THREE
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Bulb Designator: T-2
  • Light Output Rating: 650.000 END FOOTCANDLES NOMINAL SINGLE RATING
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Average Life Rating in Hours: 5000.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-469-6242, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-469-6242
Primary Part Number12B
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Bulb StyleT (TUBULAR)
Base StyleTELEPHONE SLIDE NUMBER THREE
Voltage Rating12.000 VOLTS NOMINAL
Bulb DesignatorT-2
Light Output Rating650.000 END FOOTCANDLES NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours5000.0
Rated Average LifeHOURS
Filament Heavy Duty Service RatingNOT RATED
Emitted Light CharacteristicCOLORLESS
Current Rating for Which Designed0.038 AMPERES NOMINAL
Filament DesignationC-2V V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3441-00-009-2848 INTERCHANGEABLE
Forming Machine,sheet Metal,slip
3110-00-156-1750 INTERCHANGEABLE
Bearing,ball,thrust
5905-00-283-3927 INTERCHANGEABLE
Resistor,current Regulating
6625-00-445-6930 INTERCHANGEABLE
Test Set,telephone
5315-00-482-1479 INTERCHANGEABLE
Pin,straight,headless
5935-00-539-119212B INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
5307-00-627-3446 INTERCHANGEABLE
Stud,plain
6625-00-649-4929 INTERCHANGEABLE
Lead,test
6635-00-663-457612B INTERCHANGEABLE
Tester,material Hardness
Sun Tec Corp
4730-00-781-9629H4S/S INTERCHANGEABLE
Coupling Half,quick Disconnect
Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
12B PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
3441-00-009-2848INTERCHANGEABLE
FORMING MACHINE,SHEET METAL,SLIP
3110-00-156-1750INTERCHANGEABLE
BEARING,BALL,THRUST
5905-00-283-3927INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
6625-00-445-6930INTERCHANGEABLE
TEST SET,TELEPHONE
5315-00-482-1479INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5935-00-539-1192INTERCHANGEABLE
JACK,TELEPHONE
12B
5307-00-627-3446INTERCHANGEABLE
STUD,PLAIN
6625-00-649-4929INTERCHANGEABLE
LEAD,TEST
6635-00-663-4576INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
12B
4730-00-781-9629INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
H4S/S
6110-00-889-0990INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO
6240-00-935-7037INTERCHANGEABLE
LAMP,INCANDESCENT
12B1

Frequently Asked Questions

What is NSN 6240-00-469-6242?

NSN 6240-00-469-6242 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 6240-00-469-6242?

NSN 6240-00-469-6242 has 1 cross-referenced part number: 12B (General Dynamics Mission Systems, Inc.).

What NSN replaces 6240-00-469-6242?

There are 12 known substitutes for 6240-00-469-6242: 3441-00-009-2848, 3110-00-156-1750, 5905-00-283-3927 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12B?

Key specifications for 12B: Bulb Style: T (TUBULAR); Base Style: TELEPHONE SLIDE NUMBER THREE; Voltage Rating: 12.000 VOLTS NOMINAL; Bulb Designator: T-2. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com