PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100LLamp,incandescent

Lfe Instruments a Mark IV Co · NSN 6240-00-155-8669 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-8669 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-8669. Primary manufacturer part number: 100L.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 0.100 AMPERES NOMINAL
  • Average Life Rating in Hours: 50.0
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Voltage Rating: 1.300 VOLTS NOMINAL
  • Wattage Rating: 0.130 WATTS
  • Light Center Length: 0.719 INCHES NOMINAL IN
  • Rated Average Life: HOURS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-8669, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lfe Instruments a Mark IV Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-155-8669
Primary Part Number100L
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusCANCELLED
Current Rating for Which Designed0.100 AMPERES NOMINAL
Average Life Rating in Hours50.0
Bulb Light Transmission CharacteristicTRANSPARENT
Voltage Rating1.300 VOLTS NOMINAL
Wattage Rating0.130 WATTS
Light Center Length0.719 INCHES NOMINAL IN
Rated Average LifeHOURS
Light Output Rating0.030 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Bulb DesignatorG-3 1/2
Emitted Light CharacteristicCOLORLESS
Filament Heavy Duty Service RatingNOT RATED
Base StyleMINIATURE SCREW
Specification/standard Data08108-131 MANUFACTURERS STANDARD
Filament DesignationS-2
Bulb StyleG (GLOBULAR)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5210-00-178-4227 INTERCHANGEABLE
Tape,measuring
5120-00-198-54035120-00-198-5403 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5360-00-660-1042100L INTERCHANGEABLE
Spring,helical,compression
Asrc Federal Facilities Logistics, Llc
5905-01-032-1293ML131 INTERCHANGEABLE
Resistor Set,matched
Caddock Electronics Inc.
5905-01-094-3638ML131 INTERCHANGEABLE
Resistor,fixed,film
Caddock Electronics Inc.
5962-01-215-17391048194-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon Co
5996-01-234-9156 INTERCHANGEABLE
Amplifier,radio Frequency
5360-01-269-4865S131 INTERCHANGEABLE
Spring,helical,compression
Marathonnorco Aerospace, Inc.
Cross-Reference Index
Part NumberManufacturer
100L Lfe Instruments a Mark IV Co (USA)
ML131 Micro Lamps Inc. (USA)
S-131 Shokai Far East, Ltd. (USA)
87-0073 Finnigan Corporation (USA)
131 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
131 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
131 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
131 Cooper Industries Inc Champion Aviation Products (USA)
MS15611-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
131 Kavco Inc (USA)
EL0003 Heico Ohmite Llc Dba Ohmite Mfg Co Inc (USA)
6240PL1337515 Jednolity Indeks Materialowy - Uniform Material Index (POL)
P44043 Delta Electric Div Halle Industries Inc (USA)
100L12 Lfe Instruments a Mark IV Co (USA)
131 Inter-Market Inc (USA)
Related Parts
5210-00-178-4227INTERCHANGEABLE
TAPE,MEASURING
5120-00-198-5403INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-198-5403
5360-00-660-1042INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
100L
5905-01-032-1293INTERCHANGEABLE
RESISTOR SET,MATCHED
ML131
5905-01-094-3638INTERCHANGEABLE
RESISTOR,FIXED,FILM
ML131
5962-01-215-1739INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1048194-1
5996-01-234-9156INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
5360-01-269-4865INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S131

Frequently Asked Questions

What is NSN 6240-00-155-8669?

NSN 6240-00-155-8669 is a Lamp,incandescent, manufactured by Lfe Instruments a Mark IV Co, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-8669?

NSN 6240-00-155-8669 has 15 cross-referenced part numbers: 100L (Lfe Instruments a Mark IV Co), ML131 (Micro Lamps Inc.), S-131 (Shokai Far East, Ltd.), 87-0073 (Finnigan Corporation), 131 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company) and 10 more.

What NSN replaces 6240-00-155-8669?

There are 8 known substitutes for 6240-00-155-8669: 5210-00-178-4227, 5120-00-198-5403, 5360-00-660-1042 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100L?

Key specifications for 100L: Current Rating for Which Designed: 0.100 AMPERES NOMINAL; Average Life Rating in Hours: 50.0; Bulb Light Transmission Characteristic: TRANSPARENT; Voltage Rating: 1.300 VOLTS NOMINAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-8669 still in active supply?

NSN 6240-00-155-8669 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.
PartsTable Design LLC · partstable.com