PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51NATURALDARKRUBYLamp,incandescent

General Electric Company · NSN 6240-00-132-5342 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-132-5342 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-132-5342. Primary manufacturer part number: 51NATURALDARKRUBY.
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 6.000 VOLTS NOMINAL
  • Bulb Style: GT (GLOBULAR TUBULAR)
  • Base Style: MINIATURE BAYONET
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Light Center Length: 0.500 INCHES NOMINAL IN
  • Rated Average Life: HOURS
  • Light Output Rating: 0.100 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-132-5342, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-132-5342
Primary Part Number51NATURALDARKRUBY
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Voltage Rating6.000 VOLTS NOMINAL
Bulb StyleGT (GLOBULAR TUBULAR)
Base StyleMINIATURE BAYONET
Bulb Light Transmission CharacteristicTRANSPARENT
Light Center Length0.500 INCHES NOMINAL IN
Rated Average LifeHOURS
Light Output Rating0.100 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Average Life Rating in Hours1000.0
Emitted Light CharacteristicRED
Specification/standard Data08108-51R MANUFACTURERS STANDARD
Bulb DesignatorG-3 1/2
Current Rating for Which Designed0.220 AMPERES NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6220-00-897-5862920109 INTERCHANGEABLE
Lens,light
Betts Industries, Inc.
8415-01-563-841151R INTERCHANGEABLE
Helmet,safety
E. D. Bullard Company Dba Ed Bullard Co
Cross-Reference Index
Part NumberManufacturer
51NATURALDARKRUBY General Electric Company (USA)
MS15573-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
51RED Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
51R General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
51R Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
51NDR Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
6220-00-897-5862INTERCHANGEABLE
LENS,LIGHT
920109
8415-01-563-8411INTERCHANGEABLE
HELMET,SAFETY
51R

Frequently Asked Questions

What is NSN 6240-00-132-5342?

NSN 6240-00-132-5342 is a Lamp,incandescent, manufactured by General Electric Company, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-132-5342?

NSN 6240-00-132-5342 has 6 cross-referenced part numbers: 51NATURALDARKRUBY (General Electric Company), MS15573-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 51RED (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 51R (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 51R (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 1 more.

What NSN replaces 6240-00-132-5342?

There are 2 known substitutes for 6240-00-132-5342: 6220-00-897-5862, 8415-01-563-8411. Verify interchangeability with system specifications before substitution.

What are the specifications of 51NATURALDARKRUBY?

Key specifications for 51NATURALDARKRUBY: Voltage Rating: 6.000 VOLTS NOMINAL; Bulb Style: GT (GLOBULAR TUBULAR); Base Style: MINIATURE BAYONET; Bulb Light Transmission Characteristic: TRANSPARENT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-132-5342 still in active supply?

NSN 6240-00-132-5342 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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