PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

259Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-925-2148 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-925-2148 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-925-2148. Primary manufacturer part number: 259.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: WEDGE
  • Bulb Designator: T-3 1/4
  • Average Life Rating in Hours: 5000.0
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Wattage Rating: 1.575 WATTS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Voltage Rating: 6.300 VOLTS NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-925-2148, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 19 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
NSN6240-00-925-2148
Primary Part Number259
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Base StyleWEDGE
Bulb DesignatorT-3 1/4
Average Life Rating in Hours5000.0
Bulb Light Transmission CharacteristicTRANSPARENT
Wattage Rating1.575 WATTS
Filament Heavy Duty Service RatingNOT RATED
Voltage Rating6.300 VOLTS NOMINAL
Rated Average LifeHOURS
Current Rating for Which Designed0.250 AMPERES NOMINAL
Light Center Length0.688 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Specification/standard Data08108-259 MANUFACTURERS STANDARD
Light Output Rating0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament DesignationC-2R
Bulb StyleT (TUBULAR)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-011-6120 INTERCHANGEABLE
Washer,lock
5330-00-040-2814640KB37 INTERCHANGEABLE
Gasket
Mack Trucks Inc Parts Opn
5996-00-106-2826259 INTERCHANGEABLE
Amplifier,electronic Control
Data Device Corp Dba Beta Transformer Technology
5331-00-111-37562-259N103-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-00-154-15291175 INTERCHANGEABLE
Seal,plain Encased
Patterson Pump Co Div Patterson Pump Company
3460-00-187-8703 INTERCHANGEABLE
Wheel,abrasive
5935-00-201-2384PL259 INTERCHANGEABLE
Connector,plug,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3010-00-203-16469100066 INTERCHANGEABLE
Coupling,shaft,flexible
Us Army Aviation and Missile Command
5120-00-230-7866 INTERCHANGEABLE
Adjuster,spring,communications E
6220-00-299-7151259-1-R INTERCHANGEABLE
Lens,light
Perko Inc
Cross-Reference Index
Part NumberManufacturer
3012306-00 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
259 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
259 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
259 Communication Systems Div North American Philips Corp (USA)
259 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
6240PL1338119 Jednolity Indeks Materialowy - Uniform Material Index (POL)
259 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
28-949 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
259 6V Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
87-0373 Bae Systems Information & Electronic Systems Integration Inc. (USA)
259 Cooper Industries Inc Champion Aviation Products (USA)
87-0373 Finnigan Corporation (USA)
2502839-001 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
3901710 Brooks Automation, Inc. Div Cti Cryogenics (USA)
65S139251 Motorola Communications Group Parts Dept Div of Motorola Inc (USA)
259 Lighting Components and Design Incorporated Dba Lc&d (USA)
LTX259 Lamptronix Co Ltd (USA)
48-157-1259 Varityper Inc (USA)
PL259 Precision Lamp Inc (USA)
28-949/259 Eaton Corp Opns & Technical Center (USA)
Related Parts
5310-00-011-6120INTERCHANGEABLE
WASHER,LOCK
5330-00-040-2814INTERCHANGEABLE
GASKET
640KB37
5996-00-106-2826INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
259
5331-00-111-3756INTERCHANGEABLE
O-RING
2-259N103-70
5330-00-154-1529INTERCHANGEABLE
SEAL,PLAIN ENCASED
1175
3460-00-187-8703INTERCHANGEABLE
WHEEL,ABRASIVE
5935-00-201-2384INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL259
3010-00-203-1646INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
9100066
5120-00-230-7866INTERCHANGEABLE
ADJUSTER,SPRING,COMMUNICATIONS E
6220-00-299-7151INTERCHANGEABLE
LENS,LIGHT
259-1-R
5355-00-435-9388INTERCHANGEABLE
KNOB
5935-00-500-5183INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL-259A

Frequently Asked Questions

What is NSN 6240-00-925-2148?

NSN 6240-00-925-2148 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 6240-00-925-2148?

NSN 6240-00-925-2148 has 23 cross-referenced part numbers: 3012306-00 (Lockheed Martin Corporation Div Rms - Mitchel Field), 259 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 259 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 259 (Communication Systems Div North American Philips Corp), 259 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc) and 18 more.

What NSN replaces 6240-00-925-2148?

There are 12 known substitutes for 6240-00-925-2148: 5310-00-011-6120, 5330-00-040-2814, 5996-00-106-2826 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 259?

Key specifications for 259: Base Style: WEDGE; Bulb Designator: T-3 1/4; Average Life Rating in Hours: 5000.0; Bulb Light Transmission Characteristic: TRANSPARENT. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-925-2148 still in active supply?

NSN 6240-00-925-2148 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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