PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WL50Lamp,incandescent

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6240-00-946-9644 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-946-9644 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-946-9644. Primary manufacturer part number: WL50.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: TWO SCREW TERMINALS
  • Wattage Rating: 35.000 WATTS
  • Current Rating for Which Designed: 2.734 AMPERES NOMINAL
  • Voltage Rating: 12.800 VOLTS NOMINAL
  • Average Life Rating in Hours: 300.0
  • Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR)
  • Features Provided: HEAT RESISTANT GLASS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-946-9644, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-946-9644
Primary Part NumberWL50
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Base StyleTWO SCREW TERMINALS
Wattage Rating35.000 WATTS
Current Rating for Which Designed2.734 AMPERES NOMINAL
Voltage Rating12.800 VOLTS NOMINAL
Average Life Rating in Hours300.0
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Features ProvidedHEAT RESISTANT GLASS
Specification/standard Data08108-4436 MANUFACTURERS STANDARD
Emitted Light CharacteristicCOLORLESS
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Filament Heavy Duty Service RatingNOT RATED
Bulb DesignatorPAR-46
Light Output Rating60000.000 LUMENS NOMINAL SINGLE RATING
Rated Average LifeHOURS
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2805-00-270-3429AE74C INTERCHANGEABLE
Valve,poppet,engine
Wisconsin Motors, Llc
7045-00-546-23314439-1 INTERCHANGEABLE
Disk Packs
Nashua Corporation Dba Nashua Specialty Coated Products
5905-00-858-401293J3K3 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6685-01-088-1115 INTERCHANGEABLE
Panel,control
6240-01-152-7046 INTERCHANGEABLE
Lamp,incandescent
6605-01-309-74704436 INTERCHANGEABLE
Plotting Table,tactical Display
Microwave Engineering Corporation
6350-01-329-8140443-6 INTERCHANGEABLE
Buzzer
Uusi, Llc Dba Nartron
6640-01-446-2551 INTERCHANGEABLE
Slide Stainer,hematology
6640-01-695-08014436 INTERCHANGEABLE
Tip,pipet
Integra Biosciences Corp.
Cross-Reference Index
Part NumberManufacturer
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4436 General Electric Company Dba Ge (USA)
4436 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
4436 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
SK772614 Grove U.s. Llc Dba Grove Us Llc (USA)
Related Parts
2805-00-270-3429INTERCHANGEABLE
VALVE,POPPET,ENGINE
AE74C
7045-00-546-2331INTERCHANGEABLE
DISK PACKS
4439-1
5905-00-858-4012INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
93J3K3
6685-01-088-1115INTERCHANGEABLE
PANEL,CONTROL
6240-01-152-7046INTERCHANGEABLE
LAMP,INCANDESCENT
6605-01-309-7470INTERCHANGEABLE
PLOTTING TABLE,TACTICAL DISPLAY
4436
6350-01-329-8140INTERCHANGEABLE
BUZZER
443-6
6640-01-446-2551INTERCHANGEABLE
SLIDE STAINER,HEMATOLOGY
6640-01-695-0801INTERCHANGEABLE
TIP,PIPET
4436

Frequently Asked Questions

What is NSN 6240-00-946-9644?

NSN 6240-00-946-9644 is a Lamp,incandescent, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-946-9644?

NSN 6240-00-946-9644 has 5 cross-referenced part numbers: WL50 (Federal Specifications Promulgated by General Services Administration Washington DC), 4436 (General Electric Company Dba Ge), 4436 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 4436 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), SK772614 (Grove U.s. Llc Dba Grove Us Llc).

What NSN replaces 6240-00-946-9644?

There are 9 known substitutes for 6240-00-946-9644: 2805-00-270-3429, 7045-00-546-2331, 5905-00-858-4012 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WL50?

Key specifications for WL50: Base Style: TWO SCREW TERMINALS; Wattage Rating: 35.000 WATTS; Current Rating for Which Designed: 2.734 AMPERES NOMINAL; Voltage Rating: 12.800 VOLTS NOMINAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-946-9644 still in active supply?

NSN 6240-00-946-9644 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.
PartsTable Design LLC · partstable.com