PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-6AT10PLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-196-4472 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-196-4472 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-196-4472. Primary manufacturer part number: 6-6AT10P.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 43.000 WATTS
  • Rated Average Life: HOURS
  • Voltage Rating: 28.000 VOLTS NOMINAL
  • Burning Position: BASE DOWN
  • Average Life Rating in Hours: 300.0
  • Bulb Style: T (TUBULAR)
  • Current Rating for Which Designed: 1.536 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-196-4472, 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 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-196-4472
Primary Part Number6-6AT10P
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Wattage Rating43.000 WATTS
Rated Average LifeHOURS
Voltage Rating28.000 VOLTS NOMINAL
Burning PositionBASE DOWN
Average Life Rating in Hours300.0
Bulb StyleT (TUBULAR)
Current Rating for Which Designed1.536 AMPERES NOMINAL
Emitted Light CharacteristicWHITE
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Bulb DesignatorT-10
Light Center Length1.250 INCHES MAXIMUM IN
Base StyleMEDIUM PREFOCUS
Bulb Light Transmission CharacteristicTRANSPARENT
Light Output Rating650.000 LUMENS NOMINAL SINGLE RATING
Filament DesignationC-2V V
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6240-00-143-3142 INTERCHANGEABLE
Lamp,incandescent
6240-00-143-6558 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-7836 INTERCHANGEABLE
Lamp,incandescent
6240-00-196-44706-6AT10-1P INTERCHANGEABLE
Lamp,incandescent
General Electric Company Dba Ge
6240-00-556-80121200T20 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-660-8849 INTERCHANGEABLE
Lamp,incandescent
6240-01-399-4105 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
6-6AT10P Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
MS25012-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-6363 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6240-00-143-3142INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-143-6558INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-7836INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-196-4470INTERCHANGEABLE
LAMP,INCANDESCENT
6-6AT10-1P
6240-00-556-8012INTERCHANGEABLE
LAMP,INCANDESCENT
1200T20
6240-00-660-8849INTERCHANGEABLE
LAMP,INCANDESCENT
6240-01-399-4105INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 6240-00-196-4472?

NSN 6240-00-196-4472 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: cancelled.

What are the part numbers for NSN 6240-00-196-4472?

NSN 6240-00-196-4472 has 3 cross-referenced part numbers: 6-6AT10P (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), MS25012-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-6363 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6240-00-196-4472?

There are 7 known substitutes for 6240-00-196-4472: 6240-00-143-3142, 6240-00-143-6558, 6240-00-155-7836 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-6AT10P?

Key specifications for 6-6AT10P: Wattage Rating: 43.000 WATTS; Rated Average Life: HOURS; Voltage Rating: 28.000 VOLTS NOMINAL; Burning Position: BASE DOWN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-196-4472 still in active supply?

NSN 6240-00-196-4472 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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