PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-6363/8Lamp,incandescent

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6240-01-422-8178 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-422-8178 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-422-8178. Primary manufacturer part number: MIL-DTL-6363/8.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 0.330 WATTS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Voltage Rating: 5.000 VOLTS NOMINAL
  • Current Rating for Which Designed: 0.060 AMPERES NOMINAL
  • Base Style: MIDGET FLANGED
  • Bulb Diameter: 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
  • Average Life Rating in Hours: 2000.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-422-8178, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-422-8178
Primary Part NumberMIL-DTL-6363/8
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Wattage Rating0.330 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Voltage Rating5.000 VOLTS NOMINAL
Current Rating for Which Designed0.060 AMPERES NOMINAL
Base StyleMIDGET FLANGED
Bulb Diameter0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Average Life Rating in Hours2000.0
Rated Average LifeHOURS
Specification/standard Data81349--6363/8-1 GOVERNMENT SPECIFICATION
Light Center Length0.375 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating0.150 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb DesignatorT-1-3/4
Bulb StyleE (ELIPTICAL)
Test Data Document81349-MIL-I-6363/8 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-080-2012 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-7836 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-7857 INTERCHANGEABLE
Lamp,incandescent
6240-00-763-7744 INTERCHANGEABLE
Lamp,incandescent
6240-00-801-5941 INTERCHANGEABLE
Lamp,incandescent
6240-00-913-1612 INTERCHANGEABLE
Lamp,incandescent
6240-00-927-3180 INTERCHANGEABLE
Lamp,incandescent
6240-01-074-4600 INTERCHANGEABLE
Lamp,incandescent
6240-01-093-7323 INTERCHANGEABLE
Lamp,incandescent
6240-01-103-3081 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-6363/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-6363/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M6363/8-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6240-00-080-2012INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-7836INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-7857INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-763-7744INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-801-5941INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-913-1612INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-927-3180INTERCHANGEABLE
LAMP,INCANDESCENT
6240-01-074-4600INTERCHANGEABLE
LAMP,INCANDESCENT
6240-01-093-7323INTERCHANGEABLE
LAMP,INCANDESCENT
6240-01-103-3081INTERCHANGEABLE
LAMP,INCANDESCENT
3020-01-341-6589INTERCHANGEABLE
GEAR SECTOR,WORM WHEEL
M81738 ITEM 13
6240-01-407-5606INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 6240-01-422-8178?

NSN 6240-01-422-8178 is a Lamp,incandescent, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-422-8178?

NSN 6240-01-422-8178 has 3 cross-referenced part numbers: MIL-DTL-6363/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-6363/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M6363/8-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6240-01-422-8178?

There are 12 known substitutes for 6240-01-422-8178: 6240-00-080-2012, 6240-00-155-7836, 6240-00-155-7857 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-6363/8?

Key specifications for MIL-DTL-6363/8: Wattage Rating: 0.330 WATTS; Overall Length: 0.625 INCHES MAXIMUM IN; Bulb Light Transmission Characteristic: TRANSPARENT; Voltage Rating: 5.000 VOLTS NOMINAL. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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