PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4586Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-174-1991 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-174-1991 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-174-1991. Primary manufacturer part number: 4586.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: HOURS
  • Features Provided: HEAT RESISTANT GLASS
  • Bulb Designator: PAR-36
  • Current Rating for Which Designed: 7.692 AMPERES NOMINAL
  • Base Style: MOGUL END PRONG
  • Wattage Rating: 100.000 WATTS
  • Voltage Rating: 6.500 VOLTS NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-174-1991, 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 15 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-174-1991
Primary Part Number4586
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Rated Average LifeHOURS
Features ProvidedHEAT RESISTANT GLASS
Bulb DesignatorPAR-36
Current Rating for Which Designed7.692 AMPERES NOMINAL
Base StyleMOGUL END PRONG
Wattage Rating100.000 WATTS
Voltage Rating6.500 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Average Life Rating in Hours100.0
Nondefinitive Spec/std DataI TYPE
Emitted Light CharacteristicCOLORLESS
Filament DesignationC-6
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-297-73474586 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
5935-00-459-13624586 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
1325-01-128-72184586 INTERCHANGEABLE
Tube Assembly,vidicon
General Electric Company
5999-01-157-46503001-202 INTERCHANGEABLE
Clip,electrical
Raytheon Company Div Rmd Strategic
4320-01-680-52784586 INTERCHANGEABLE
Pump,hydraulic
Buffalo Turbine Defense Llc
Cross-Reference Index
Part NumberManufacturer
4586 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
MS15819-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4586 Morning Star Industries Inc (USA)
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-297-7347INTERCHANGEABLE
WASHER,FLAT
4586
5935-00-459-1362INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4586
1325-01-128-7218INTERCHANGEABLE
TUBE ASSEMBLY,VIDICON
4586
5999-01-157-4650INTERCHANGEABLE
CLIP,ELECTRICAL
3001-202
4320-01-680-5278INTERCHANGEABLE
PUMP,HYDRAULIC
4586

Frequently Asked Questions

What is NSN 6240-00-174-1991?

NSN 6240-00-174-1991 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 6240-00-174-1991?

NSN 6240-00-174-1991 has 4 cross-referenced part numbers: 4586 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), MS15819-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4586 (Morning Star Industries Inc), WL50 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6240-00-174-1991?

There are 5 known substitutes for 6240-00-174-1991: 5310-00-297-7347, 5935-00-459-1362, 1325-01-128-7218 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4586?

Key specifications for 4586: Rated Average Life: HOURS; Features Provided: HEAT RESISTANT GLASS; Bulb Designator: PAR-36; Current Rating for Which Designed: 7.692 AMPERES NOMINAL. 16 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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