PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4078Lamp,incandescent

Cooper Industries Inc Champion Aviation Products · NSN 6240-00-945-7567 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-945-7567 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-945-7567. Primary manufacturer part number: 4078.
Features
  • Lamp,incandescent — FSC 6240
  • Average Life Rating in Hours: 500.0
  • Voltage Rating: 6.400 VOLTS NOMINAL
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Output Rating: 1600.000 LUMENS NOMINAL SINGLE RATING
  • Bulb Designator: PAR-46
  • Current Rating for Which Designed: 7.813 AMPERES NOMINAL
  • Emitted Light Characteristic: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-945-7567, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Cooper Industries Inc Champion Aviation Products. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN6240-00-945-7567
Primary Part Number4078
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCooper Industries Inc Champion Aviation Products
StatusACTIVE
Average Life Rating in Hours500.0
Voltage Rating6.400 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating1600.000 LUMENS NOMINAL SINGLE RATING
Bulb DesignatorPAR-46
Current Rating for Which Designed7.813 AMPERES NOMINAL
Emitted Light CharacteristicCOLORLESS
Bulb Light Transmission CharacteristicTRANSPARENT
Specification/standard Data08108-4078 MANUFACTURERS STANDARD
Base StyleTWO CONTRACT LUGS (NOT CONTACT)
Features ProvidedHEAT RESISTANT GLASS
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Wattage Rating50.000 WATTS
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Filament DesignationC-6
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6130-00-059-46424078 INTERCHANGEABLE
Power Supply
Tdk-Lambda Americas Inc. Div High Power Division
9540-00-148-4791 INTERCHANGEABLE
Beam,structural
6645-00-225-26834078 INTERCHANGEABLE
Wheel,clutch Coupli
Wakmann Watch Company Inc
5340-00-304-7393185502 INTERCHANGEABLE
Clamp,loop
Agco Corp Parts Opn
2930-00-402-557121653 INTERCHANGEABLE
Seal Assembly
Industrial Technologies and Services Llc
1630-00-437-26813477 INTERCHANGEABLE
Spring,tail Wheel
Textron Aviation Inc
6515-00-442-4813QD1-LG INTERCHANGEABLE
Plug,ear
Honeywell Safety Products Usa, Inc.
6750-00-627-1622 INTERCHANGEABLE
Paper,photographic
2590-00-629-3192A4078 INTERCHANGEABLE
Strap Assembly,upper Cylinder
Metadure Parts & Sales, Inc.
4730-00-640-6330SAE J530 4-2 130137B INTERCHANGEABLE
Reducer,pipe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
4078 Cooper Industries Inc Champion Aviation Products (USA)
4078 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
3477 Hobbs Corp (USA)
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4078 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
6130-00-059-4642INTERCHANGEABLE
POWER SUPPLY
4078
9540-00-148-4791INTERCHANGEABLE
BEAM,STRUCTURAL
6645-00-225-2683INTERCHANGEABLE
WHEEL,CLUTCH COUPLI
4078
5340-00-304-7393INTERCHANGEABLE
CLAMP,LOOP
185502
2930-00-402-5571INTERCHANGEABLE
SEAL ASSEMBLY
21653
1630-00-437-2681INTERCHANGEABLE
SPRING,TAIL WHEEL
3477
6515-00-442-4813INTERCHANGEABLE
PLUG,EAR
QD1-LG
6750-00-627-1622INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
2590-00-629-3192INTERCHANGEABLE
STRAP ASSEMBLY,UPPER CYLINDER
A4078
4730-00-640-6330INTERCHANGEABLE
REDUCER,PIPE
SAE J530 4-2 130137B
5950-00-754-6757INTERCHANGEABLE
TRANSFORMER,POWER
9030927
6210-00-782-7591INTERCHANGEABLE
LENS,LIGHT
4078

Frequently Asked Questions

What is NSN 6240-00-945-7567?

NSN 6240-00-945-7567 is a Lamp,incandescent, manufactured by Cooper Industries Inc Champion Aviation Products, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-945-7567?

NSN 6240-00-945-7567 has 5 cross-referenced part numbers: 4078 (Cooper Industries Inc Champion Aviation Products), 4078 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 3477 (Hobbs Corp), WL50 (Federal Specifications Promulgated by General Services Administration Washington DC), 4078 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-945-7567?

There are 12 known substitutes for 6240-00-945-7567: 6130-00-059-4642, 9540-00-148-4791, 6645-00-225-2683 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4078?

Key specifications for 4078: Average Life Rating in Hours: 500.0; Voltage Rating: 6.400 VOLTS NOMINAL; Filament Heavy Duty Service Rating: NOT RATED; Light Output Rating: 1600.000 LUMENS NOMINAL SINGLE RATING. 17 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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