PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4012ALamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-019-3158 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-019-3158 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-019-3158. Primary manufacturer part number: 4012A.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: CANDELABRA SCREW
  • Current Rating for Which Designed: 5.940 AMPERES NOMINAL
  • Average Life Rating in Hours: 300.0
  • Bulb Designator: PAR-46
  • Wattage Rating: 35.000 WATTS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Style: PAR (PARABOLIC, ALUMNIZED REFLECTOR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-019-3158, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-019-3158
Primary Part Number4012A
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Base StyleCANDELABRA SCREW
Current Rating for Which Designed5.940 AMPERES NOMINAL
Average Life Rating in Hours300.0
Bulb DesignatorPAR-46
Wattage Rating35.000 WATTS
Filament Heavy Duty Service RatingNOT RATED
Bulb StylePAR (PARABOLIC, ALUMNIZED REFLECTOR)
Emitted Light CharacteristicAMBER
Rated Average LifeHOURS
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Filament DesignationC-6
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-155-745307098-07204 INTERCHANGEABLE
Bearing,roller,tapered
Federal-Mogul Corp Government Sales Dept
5915-00-525-37214012A INTERCHANGEABLE
Network,special
Lucent Technologies Inc Corporate Headquarters
7025-01-200-87454012A INTERCHANGEABLE
Punch,paper Tape
Data General Corporation
Cross-Reference Index
Part NumberManufacturer
4012A PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5933854 General Motors Corp Fisher Guide Div (USA)
W-L-50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-155-7453INTERCHANGEABLE
BEARING,ROLLER,TAPERED
07098-07204
5915-00-525-3721INTERCHANGEABLE
NETWORK,SPECIAL
4012A
7025-01-200-8745INTERCHANGEABLE
PUNCH,PAPER TAPE
4012A

Frequently Asked Questions

What is NSN 6240-00-019-3158?

NSN 6240-00-019-3158 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 6240-00-019-3158?

NSN 6240-00-019-3158 has 3 cross-referenced part numbers: 4012A (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 5933854 (General Motors Corp Fisher Guide Div), W-L-50 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6240-00-019-3158?

There are 3 known substitutes for 6240-00-019-3158: 3110-00-155-7453, 5915-00-525-3721, 7025-01-200-8745. Verify interchangeability with system specifications before substitution.

What are the specifications of 4012A?

Key specifications for 4012A: Base Style: CANDELABRA SCREW; Current Rating for Which Designed: 5.940 AMPERES NOMINAL; Average Life Rating in Hours: 300.0; Bulb Designator: PAR-46. 14 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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