PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60A21TS125VLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-143-3087 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-143-3087 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-143-3087. Primary manufacturer part number: 60A21TS125V.
Features
  • Lamp,incandescent — FSC 6240
  • Burning Position: BASE DOWN TO HORIZONTAL
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Style: A (ARBITRARY DESIGNATION)
  • Bulb Designator: A-21
  • Emitted Light Characteristic: WHITE
  • Base Style: MEDIUM SCREW
  • Wattage Rating: 60.000 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-143-3087, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-143-3087
Primary Part Number60A21TS125V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Burning PositionBASE DOWN TO HORIZONTAL
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleA (ARBITRARY DESIGNATION)
Bulb DesignatorA-21
Emitted Light CharacteristicWHITE
Base StyleMEDIUM SCREW
Wattage Rating60.000 WATTS
Rated Average LifeHOURS
Average Life Rating in Hours2000.0
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-500-3643 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
60A21TS125V PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
60A21/TS-120V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
60A21TS125V Philips Lighting Co Div of North American Philips Corp (USA)
Related Parts
6240-00-500-3643INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 6240-00-143-3087?

NSN 6240-00-143-3087 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 6240-00-143-3087?

NSN 6240-00-143-3087 has 3 cross-referenced part numbers: 60A21TS125V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 60A21/TS-120V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 60A21TS125V (Philips Lighting Co Div of North American Philips Corp).

What NSN replaces 6240-00-143-3087?

There is 1 known substitute for 6240-00-143-3087: 6240-00-500-3643. Verify interchangeability with system specifications before substitution.

What are the specifications of 60A21TS125V?

Key specifications for 60A21TS125V: Burning Position: BASE DOWN TO HORIZONTAL; Filament Heavy Duty Service Rating: NOT RATED; Bulb Style: A (ARBITRARY DESIGNATION); Bulb Designator: A-21. 11 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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