PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4547Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-946-7168 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-946-7168 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-946-7168. Primary manufacturer part number: 4547.
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 4.750 VOLTS NOMINAL
  • Specification/standard Data: 08108-4508 MANUFACTURERS STANDARD
  • Bulb Designator: PAR-36
  • Features Provided: HEAT RESISTANT GLASS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Base Style: TWO SCREW TERMINALS
  • Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-946-7168, 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 16 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-946-7168
Primary Part Number4547
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Voltage Rating4.750 VOLTS NOMINAL
Specification/standard Data08108-4508 MANUFACTURERS STANDARD
Bulb DesignatorPAR-36
Features ProvidedHEAT RESISTANT GLASS
Filament Heavy Duty Service RatingNOT RATED
Base StyleTWO SCREW TERMINALS
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Light Output Rating22000.000 LUMENS NOMINAL SINGLE RATING
Wattage Rating5.938 WATTS
Average Life Rating in Hours100.0
Rated Average LifeHOURS
Current Rating for Which Designed1.250 AMPERES NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Filament DesignationC-2R
Emitted Light CharacteristicCOLORLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-156-5110 INTERCHANGEABLE
Bearing,ball,annular
2915-00-776-47714547 INTERCHANGEABLE
Disk,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5950-00-840-5392 INTERCHANGEABLE
Coil,radio Frequency
5815-00-975-9710 INTERCHANGEABLE
Selector Service
5960-01-034-99351716568-1 INTERCHANGEABLE
Electron Tube
Honeywell Intl Dba Honeywell Div Business and General Aviation
5340-01-101-91174547 INTERCHANGEABLE
Bracket
Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co
5950-01-106-3285654E4692-809 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5915-01-196-96154547 INTERCHANGEABLE
Filter,band Suppression
Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions
6130-01-516-51394547 INTERCHANGEABLE
Power Supply
Northwest Power, Inc. Dba Northwest Power Integrations Inc
5935-01-589-09714547 INTERCHANGEABLE
Backshell,electrical Connector
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
4547 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4547 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
Related Parts
3110-00-156-5110INTERCHANGEABLE
BEARING,BALL,ANNULAR
2915-00-776-4771INTERCHANGEABLE
DISK,VALVE
4547
5950-00-840-5392INTERCHANGEABLE
COIL,RADIO FREQUENCY
5815-00-975-9710INTERCHANGEABLE
SELECTOR SERVICE
5960-01-034-9935INTERCHANGEABLE
ELECTRON TUBE
1716568-1
5340-01-101-9117INTERCHANGEABLE
BRACKET
4547
5950-01-106-3285INTERCHANGEABLE
TRANSFORMER,POWER
654E4692-809
5915-01-196-9615INTERCHANGEABLE
FILTER,BAND SUPPRESSION
4547
6130-01-516-5139INTERCHANGEABLE
POWER SUPPLY
4547
5935-01-589-0971INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
4547

Frequently Asked Questions

What is NSN 6240-00-946-7168?

NSN 6240-00-946-7168 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 6240-00-946-7168?

NSN 6240-00-946-7168 has 3 cross-referenced part numbers: 4547 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), WL50 (Federal Specifications Promulgated by General Services Administration Washington DC), 4547 (General Electric Co Miniature Lamp Products Dept Lighting Business Group).

What NSN replaces 6240-00-946-7168?

There are 10 known substitutes for 6240-00-946-7168: 3110-00-156-5110, 2915-00-776-4771, 5950-00-840-5392 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4547?

Key specifications for 4547: Voltage Rating: 4.750 VOLTS NOMINAL; Specification/standard Data: 08108-4508 MANUFACTURERS STANDARD; Bulb Designator: PAR-36; Features Provided: HEAT RESISTANT GLASS. 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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