PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4537Lamp,incandescent

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 6240-00-946-9636 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-946-9636 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-946-9636. Primary manufacturer part number: 4537.
Features
  • Lamp,incandescent — FSC 6240
  • Light Intensity Distribution Feature: PARABOLIC REFLECTOR
  • Specification/standard Data: 08108-4537 MANUFACTURERS STANDARD
  • Rated Average Life: HOURS
  • Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR)
  • Voltage Rating: 13.000 VOLTS NOMINAL
  • Features Provided: HEAT RESISTANT GLASS
  • Bulb Designator: PAR-46
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-946-9636, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-946-9636
Primary Part Number4537
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusCANCELLED
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Specification/standard Data08108-4537 MANUFACTURERS STANDARD
Rated Average LifeHOURS
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Voltage Rating13.000 VOLTS NOMINAL
Features ProvidedHEAT RESISTANT GLASS
Bulb DesignatorPAR-46
Wattage Rating100.000 WATTS
Light Output Rating200000.000 LUMENS NOMINAL SINGLE RATING
Emitted Light CharacteristicCOLORLESS
Base StyleTWO SCREW TERMINALS
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours25.0
Current Rating for Which Designed7.692 AMPERES NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-106-40304537 INTERCHANGEABLE
Shaft,transmission,pump
Eastern Industrial Products, Inc.
5950-00-227-7792467734-G INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Dba Raytheon Co
5950-00-234-9989 INTERCHANGEABLE
Coil,radio Frequency
5905-00-319-088795J2R0 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-355-9878 INTERCHANGEABLE
Spring,flat
2240-00-392-3119 INTERCHANGEABLE
Valve,sander
5950-00-486-11694537 INTERCHANGEABLE
Coil,radio Frequency
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5330-01-023-9578 INTERCHANGEABLE
Packing Kit,preform
5980-01-070-8972 INTERCHANGEABLE
Light Emitting Diode
5360-01-101-9122 INTERCHANGEABLE
Spring
Cross-Reference Index
Part NumberManufacturer
433-2-12V Perko Inc (USA)
4537 Cooper Industries Inc Champion Aviation Products (USA)
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4537 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
4537 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
4537 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4537 PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
VARIABLE PRICING Dla Aviation Engineering Div Department of Defense (USA)
4537 Perko Inc (USA)
Related Parts
4320-00-106-4030INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
4537
5950-00-227-7792INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
467734-G
5950-00-234-9989INTERCHANGEABLE
COIL,RADIO FREQUENCY
5905-00-319-0887INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
95J2R0
5360-00-355-9878INTERCHANGEABLE
SPRING,FLAT
2240-00-392-3119INTERCHANGEABLE
VALVE,SANDER
5950-00-486-1169INTERCHANGEABLE
COIL,RADIO FREQUENCY
4537
5330-01-023-9578INTERCHANGEABLE
PACKING KIT,PREFORM
5980-01-070-8972INTERCHANGEABLE
LIGHT EMITTING DIODE
5360-01-101-9122INTERCHANGEABLE
SPRING
6850-01-175-7732INTERCHANGEABLE
DISPERSANT
4537
5330-01-284-7107INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 6240-00-946-9636?

NSN 6240-00-946-9636 is a Lamp,incandescent, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-946-9636?

NSN 6240-00-946-9636 has 9 cross-referenced part numbers: 433-2-12V (Perko Inc), 4537 (Cooper Industries Inc Champion Aviation Products), WL50 (Federal Specifications Promulgated by General Services Administration Washington DC), 4537 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 4537 (General Electric Co Miniature Lamp Products Dept Lighting Business Group) and 4 more.

What NSN replaces 6240-00-946-9636?

There are 12 known substitutes for 6240-00-946-9636: 4320-00-106-4030, 5950-00-227-7792, 5950-00-234-9989 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4537?

Key specifications for 4537: Light Intensity Distribution Feature: PARABOLIC REFLECTOR; Specification/standard Data: 08108-4537 MANUFACTURERS STANDARD; Rated Average Life: HOURS; Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR). 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-946-9636 still in active supply?

NSN 6240-00-946-9636 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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