PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10143Lamp,incandescent

Westron Corporation Dba Westron Lighting · NSN 6240-00-962-9961 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-962-9961 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-962-9961. Primary manufacturer part number: 10143.
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 120.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM
  • Filament Heavy Duty Service Rating: EXTENDED SERVICE
  • Specification/standard Data: 08108-1500/99-120V MANUFACTURERS STANDARD V
  • Base Style: MOGUL SCREW
  • Average Life Rating in Hours: 2500.0 AND 3000.0
  • Bulb Style: PS (PEAR SHAPE, STRAIGHT NECK)
  • Rated Average Life: HOURS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-962-9961, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Westron Corporation Dba Westron Lighting. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Active.

Technical Specifications
ParameterValue
NSN6240-00-962-9961
Primary Part Number10143
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWestron Corporation Dba Westron Lighting
StatusACTIVE
Voltage Rating120.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM
Filament Heavy Duty Service RatingEXTENDED SERVICE
Specification/standard Data08108-1500/99-120V MANUFACTURERS STANDARD V
Base StyleMOGUL SCREW
Average Life Rating in Hours2500.0 AND 3000.0
Bulb StylePS (PEAR SHAPE, STRAIGHT NECK)
Rated Average LifeHOURS
Light Output Rating28400.000 LUMENS MINIMUM AND 29800.000 LUMENS MAXIMUM SINGLE RATING
Emitted Light CharacteristicCOLORLESS
Features ProvidedHEAT RESISTANT GLASS
Burning PositionWITHIN 60 DEGREES OF BASE DOWN AND BASE UP TO 15 DEGREES BELOW HORIZONTAL
Bulb DesignatorPS-52
Light Center Length9.500 INCHES NOMINAL IN
Current Rating for Which Designed12.000 AMPERES MINIMUM AND 12.500 AMPERES MAXIMUM
Filament DesignationC-7A OR C-7AX A
Wattage Rating1500.000 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2810-00-048-716110143 INTERCHANGEABLE
Cover
Mcculloch Corp
6220-00-063-6513 INTERCHANGEABLE
Spotlight
3110-00-100-31004553 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
4820-00-305-224110143 INTERCHANGEABLE
Valve,pneumatic Tank
Tactair Fluid Controls Inc
5985-00-357-07371014-3 INTERCHANGEABLE
Attenuator,fixed
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5815-00-370-0461150099 INTERCHANGEABLE
Guide,paper
Telemechanics Inc
5962-00-454-645548P233245 INTERCHANGEABLE
Microcircuit,digital
Herley Chicago Dba Stewart Warner Electronics
5945-00-552-3449 INTERCHANGEABLE
Relay,electromagnetic
5136-00-729-5694 INTERCHANGEABLE
Tap,thread Cutting
4820-00-780-979310243 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
Cross-Reference Index
Part NumberManufacturer
1500-99 Duro-Test Lighting (USA)
10143 PRIMARY Westron Corporation Dba Westron Lighting (USA)
1500-99-120V PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
1500/99/XL-120V PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
1500-99 Arc Ray Electric Corp (USA)
1500-99 Duro-Test Corp (USA)
Related Parts
2810-00-048-7161INTERCHANGEABLE
COVER
10143
6220-00-063-6513INTERCHANGEABLE
SPOTLIGHT
3110-00-100-3100INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
4553
4820-00-305-2241INTERCHANGEABLE
VALVE,PNEUMATIC TANK
10143
5985-00-357-0737INTERCHANGEABLE
ATTENUATOR,FIXED
1014-3
5815-00-370-0461INTERCHANGEABLE
GUIDE,PAPER
150099
5962-00-454-6455INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
48P233245
5945-00-552-3449INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5136-00-729-5694INTERCHANGEABLE
TAP,THREAD CUTTING
4820-00-780-9793INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
10243
5310-00-888-7378INTERCHANGEABLE
WASHER,FLAT
10143
5950-01-027-3281INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 6240-00-962-9961?

NSN 6240-00-962-9961 is a Lamp,incandescent, manufactured by Westron Corporation Dba Westron Lighting, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-962-9961?

NSN 6240-00-962-9961 has 6 cross-referenced part numbers: 1500-99 (Duro-Test Lighting), 10143 (Westron Corporation Dba Westron Lighting), 1500-99-120V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 1500/99/XL-120V (Gte Products Corp Sylvania Miniature Lighting Div), 1500-99 (Arc Ray Electric Corp) and 1 more.

What NSN replaces 6240-00-962-9961?

There are 12 known substitutes for 6240-00-962-9961: 2810-00-048-7161, 6220-00-063-6513, 3110-00-100-3100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10143?

Key specifications for 10143: Voltage Rating: 120.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM; Filament Heavy Duty Service Rating: EXTENDED SERVICE; Specification/standard Data: 08108-1500/99-120V MANUFACTURERS STANDARD V; Base Style: MOGUL SCREW. 18 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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