PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25A-6VLamp,incandescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-00-155-7879 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7879 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7879. Primary manufacturer part number: 25A-6V.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Heavy Duty Service Rating: NOT RATED
  • Wattage Rating: 25.000 WATTS
  • Emitted Light Characteristic: WHITE
  • Voltage Rating: 6.000 VOLTS NOMINAL
  • Bulb Style: A (ARBITRARY DESIGNATION)
  • Base Style: MEDIUM SCREW
  • Bulb Light Transmission Characteristic: TRANSLUCENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7879, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-155-7879
Primary Part Number25A-6V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusCANCELLED
Filament Heavy Duty Service RatingNOT RATED
Wattage Rating25.000 WATTS
Emitted Light CharacteristicWHITE
Voltage Rating6.000 VOLTS NOMINAL
Bulb StyleA (ARBITRARY DESIGNATION)
Base StyleMEDIUM SCREW
Bulb Light Transmission CharacteristicTRANSLUCENT
Bulb DesignatorA-19
Current Rating for Which Designed4.167 AMPERES NOMINAL
Filament DesignationC-6
Average Life Rating in Hours1000.0
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-745307098-07204 INTERCHANGEABLE
Bearing,roller,tapered
Federal-Mogul Corp Government Sales Dept
1270-00-168-945092747 INTERCHANGEABLE
Logic Module,gun Cleared
B.c. Systems Inc. Dba Bc Systems Inc
5905-00-223-3117 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2530-00-383-4914100500 INTERCHANGEABLE
Brake Drum
Dana Off Highway Products, Llc
5310-00-508-4698 INTERCHANGEABLE
Washer,shouldered
5935-00-984-6344347C846H02 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4320-01-017-4326P30B542BIOM20-25SNAB10-1 INTERCHANGEABLE
Pump,rotary
Parker Hannifin Corporation Div Cylinder Division
5962-01-077-0802 INTERCHANGEABLE
Microcircuit,digital
4820-01-172-5517100500 INTERCHANGEABLE
Valve,vacuum Breaking
Champion Industries Inc.
4330-01-305-299611571341 INTERCHANGEABLE
Filter,uveprom
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
25A-6V PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
25A6V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
878002-5 Raytheon Company Dba Raytheon (USA)
25A/6 Marvel Lamp Co Inc (USA)
25A6V Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
100-500 Graco Inc. (USA)
Related Parts
3110-00-155-7453INTERCHANGEABLE
BEARING,ROLLER,TAPERED
07098-07204
1270-00-168-9450INTERCHANGEABLE
LOGIC MODULE,GUN CLEARED
92747
5905-00-223-3117INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2530-00-383-4914INTERCHANGEABLE
BRAKE DRUM
100500
5310-00-508-4698INTERCHANGEABLE
WASHER,SHOULDERED
5935-00-984-6344INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
347C846H02
4320-01-017-4326INTERCHANGEABLE
PUMP,ROTARY
P30B542BIOM20-25SNAB10-1
5962-01-077-0802INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-172-5517INTERCHANGEABLE
VALVE,VACUUM BREAKING
100500
4330-01-305-2996INTERCHANGEABLE
FILTER,UVEPROM
11571341
5980-01-312-9842INTERCHANGEABLE
CONTROL-DISPLAY,OPTOELECTRONIC
100500
5945-01-421-0549INTERCHANGEABLE
RELAY,HYBRID

Frequently Asked Questions

What is NSN 6240-00-155-7879?

NSN 6240-00-155-7879 is a Lamp,incandescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-7879?

NSN 6240-00-155-7879 has 6 cross-referenced part numbers: 25A-6V (Gte Products Corp Sylvania Miniature Lighting Div), 25A6V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 878002-5 (Raytheon Company Dba Raytheon), 25A/6 (Marvel Lamp Co Inc), 25A6V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 1 more.

What NSN replaces 6240-00-155-7879?

There are 12 known substitutes for 6240-00-155-7879: 3110-00-155-7453, 1270-00-168-9450, 5905-00-223-3117 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25A-6V?

Key specifications for 25A-6V: Filament Heavy Duty Service Rating: NOT RATED; Wattage Rating: 25.000 WATTS; Emitted Light Characteristic: WHITE; Voltage Rating: 6.000 VOLTS NOMINAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-7879 still in active supply?

NSN 6240-00-155-7879 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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