PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4543Lamp,incandescent

Wheeler Fleet Solutions, Co. · NSN 6240-00-193-0941 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-193-0941 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-193-0941. Primary manufacturer part number: 4543.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Designator: PAR-56
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Rated Average Life: HOURS
  • Specification/standard Data: 08108-4543 MANUFACTURERS STANDARD
  • Light Beam Type: SPOT
  • Light Intensity Distribution Feature: PARABOLIC REFLECTOR
  • Current Rating for Which Designed: 8.000 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-193-0941, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Wheeler Fleet Solutions, Co.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-193-0941
Primary Part Number4543
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWheeler Fleet Solutions, Co.
StatusACTIVE
Bulb DesignatorPAR-56
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Specification/standard Data08108-4543 MANUFACTURERS STANDARD
Light Beam TypeSPOT
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Current Rating for Which Designed8.000 AMPERES NOMINAL
Emitted Light CharacteristicCOLORLESS
Wattage Rating100.000 WATTS
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating250000.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Base StyleTWO SCREW TERMINALS
Voltage Rating12.500 VOLTS NOMINAL
Average Life Rating in Hours50.0
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-902-6689 INTERCHANGEABLE
Belt,positive Drive
4920-01-088-09794543 INTERCHANGEABLE
Doubler,balancing K
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
4543 Wheeler Fleet Solutions, Co. (USA)
4543 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
4543 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
4543 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
3030-00-902-6689INTERCHANGEABLE
BELT,POSITIVE DRIVE
4920-01-088-0979INTERCHANGEABLE
DOUBLER,BALANCING K
4543

Frequently Asked Questions

What is NSN 6240-00-193-0941?

NSN 6240-00-193-0941 is a Lamp,incandescent, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-193-0941?

NSN 6240-00-193-0941 has 4 cross-referenced part numbers: 4543 (Wheeler Fleet Solutions, Co.), 4543 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 4543 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 4543 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-193-0941?

There are 2 known substitutes for 6240-00-193-0941: 3030-00-902-6689, 4920-01-088-0979. Verify interchangeability with system specifications before substitution.

What are the specifications of 4543?

Key specifications for 4543: Bulb Designator: PAR-56; Bulb Light Transmission Characteristic: TRANSPARENT; Rated Average Life: HOURS; Specification/standard Data: 08108-4543 MANUFACTURERS STANDARD. 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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