PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WL101-39TLamp,incandescent

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6240-00-143-3138 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-143-3138 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-143-3138. Primary manufacturer part number: WL101-39T.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Designator: PS-52
  • Bulb Style: PS (PEAR SHAPE, STRAIGHT NECK)
  • Filament Designation: CC-8
  • Light Output Rating: 16800.000 LUMENS NOMINAL SINGLE RATING
  • Base Style: MOGUL SCREW
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Wattage Rating: 750.000 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-143-3138, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN6240-00-143-3138
Primary Part NumberWL101-39T
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Bulb DesignatorPS-52
Bulb StylePS (PEAR SHAPE, STRAIGHT NECK)
Filament DesignationCC-8
Light Output Rating16800.000 LUMENS NOMINAL SINGLE RATING
Base StyleMOGUL SCREW
Bulb Light Transmission CharacteristicTRANSPARENT
Wattage Rating750.000 WATTS
Rated Average LifeHOURS
Filament Heavy Duty Service RatingNOT RATED
Voltage Rating120.000 VOLTS NOMINAL
Light Center Length9.500 INCHES NOMINAL IN
Average Life Rating in Hours1000.0
Burning PositionBASE UP
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-044-1821 INTERCHANGEABLE
Lamp,incandescent
6240-00-064-9965 INTERCHANGEABLE
Lamp,incandescent
6240-00-143-3055 INTERCHANGEABLE
Lamp,incandescent
6240-00-143-3154 INTERCHANGEABLE
Lamp,incandescent
6240-00-143-7493 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-8001 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-8636300/IF-120V INTERCHANGEABLE
Lamp,incandescent
Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
6240-00-155-8638 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-864539582 INTERCHANGEABLE
Lamp,incandescent
General Electric Company Dba Ge
6240-00-155-8647 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
WL101-39T Federal Specifications Promulgated by General Services Administration Washington DC (USA)
750-120 Marvel Lamp Co Inc (USA)
WL00101GSAFSS Federal Specifications Promulgated by General Services Administration Washington DC (USA)
750-120V Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
750-120V Gte Products Corp Sylvania Miniature Lighting Div (USA)
750-120V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
02112 Lustra Lighting (USA)
Related Parts
6240-00-044-1821INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-064-9965INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-143-3055INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-143-3154INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-143-7493INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-8001INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-8636INTERCHANGEABLE
LAMP,INCANDESCENT
300/IF-120V
6240-00-155-8638INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-8645INTERCHANGEABLE
LAMP,INCANDESCENT
39582
6240-00-155-8647INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-194-7924INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-196-4522INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 6240-00-143-3138?

NSN 6240-00-143-3138 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 6240-00-143-3138?

NSN 6240-00-143-3138 has 7 cross-referenced part numbers: WL101-39T (Federal Specifications Promulgated by General Services Administration Washington DC), 750-120 (Marvel Lamp Co Inc), WL00101GSAFSS (Federal Specifications Promulgated by General Services Administration Washington DC), 750-120V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 750-120V (Gte Products Corp Sylvania Miniature Lighting Div) and 2 more.

What NSN replaces 6240-00-143-3138?

There are 12 known substitutes for 6240-00-143-3138: 6240-00-044-1821, 6240-00-064-9965, 6240-00-143-3055 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WL101-39T?

Key specifications for WL101-39T: Bulb Designator: PS-52; Bulb Style: PS (PEAR SHAPE, STRAIGHT NECK); Filament Designation: CC-8; Light Output Rating: 16800.000 LUMENS NOMINAL SINGLE RATING. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-143-3138 still in active supply?

NSN 6240-00-143-3138 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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