PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1909Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-945-7623 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-945-7623 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-945-7623. Primary manufacturer part number: 1909.
Features
  • Lamp,incandescent — FSC 6240
  • Emitted Light Characteristic: COLORLESS
  • Voltage Rating: 14.400 VOLTS NOMINAL
  • Rated Average Life: HOURS
  • Light Center Length: 0.750 INCHES NOMINAL IN
  • Light Output Rating: 0.860 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Bulb Designator: T-3 1/4
  • Filament Heavy Duty Service Rating: NOT RATED
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-945-7623, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN6240-00-945-7623
Primary Part Number1909
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Emitted Light CharacteristicCOLORLESS
Voltage Rating14.400 VOLTS NOMINAL
Rated Average LifeHOURS
Light Center Length0.750 INCHES NOMINAL IN
Light Output Rating0.860 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb DesignatorT-3 1/4
Filament Heavy Duty Service RatingNOT RATED
Current Rating for Which Designed0.100 AMPERES NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Base StyleMINIATURE BAYONET
Average Life Rating in Hours1000.0
Filament DesignationC-2V V
Wattage Rating1.440 WATTS
Bulb StyleT (TUBULAR)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-192-99621390 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
6810-00-227-0411 INTERCHANGEABLE
Magnesium Chloride,hexahydrate
5133-00-243-2307 INTERCHANGEABLE
Countersink
5950-00-243-3856 INTERCHANGEABLE
Transformer,radio Frequency
4310-00-255-98431909 INTERCHANGEABLE
Cylinder Sleeve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5977-00-284-9910 INTERCHANGEABLE
Brush,electrical Contact
5940-00-665-56135-001200-16-30 INTERCHANGEABLE
Terminal Board
Thales Components Corp Div Thales Components Corporation
4730-00-877-1068 INTERCHANGEABLE
Fitting,lubrication
5310-01-052-2437 INTERCHANGEABLE
Washer,spring Tension
5120-01-144-5321ANS1909A INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
87-0757 Bae Systems Information & Electronic Systems Integration Inc. (USA)
PL1909 Precision Lamp Inc (USA)
1909 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
1909 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
87-0757 Finnigan Corporation (USA)
1909 Inter-Market Inc (USA)
Related Parts
5940-00-192-9962INTERCHANGEABLE
TERMINAL BOARD
1390
6810-00-227-0411INTERCHANGEABLE
MAGNESIUM CHLORIDE,HEXAHYDRATE
5133-00-243-2307INTERCHANGEABLE
COUNTERSINK
5950-00-243-3856INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4310-00-255-9843INTERCHANGEABLE
CYLINDER SLEEVE
1909
5977-00-284-9910INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5940-00-665-5613INTERCHANGEABLE
TERMINAL BOARD
5-001200-16-30
4730-00-877-1068INTERCHANGEABLE
FITTING,LUBRICATION
5310-01-052-2437INTERCHANGEABLE
WASHER,SPRING TENSION
5120-01-144-5321INTERCHANGEABLE
SOCKET,SOCKET WRENCH
ANS1909A
3110-01-150-7985INTERCHANGEABLE
BEARING
1909
3120-01-216-1422INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 6240-00-945-7623?

NSN 6240-00-945-7623 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 6240-00-945-7623?

NSN 6240-00-945-7623 has 6 cross-referenced part numbers: 87-0757 (Bae Systems Information & Electronic Systems Integration Inc.), PL1909 (Precision Lamp Inc), 1909 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 1909 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 87-0757 (Finnigan Corporation) and 1 more.

What NSN replaces 6240-00-945-7623?

There are 12 known substitutes for 6240-00-945-7623: 5940-00-192-9962, 6810-00-227-0411, 5133-00-243-2307 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1909?

Key specifications for 1909: Emitted Light Characteristic: COLORLESS; Voltage Rating: 14.400 VOLTS NOMINAL; Rated Average Life: HOURS; Light Center Length: 0.750 INCHES NOMINAL IN. 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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