PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

313YLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-779-3394 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-779-3394 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-779-3394. Primary manufacturer part number: 313Y.
Features
  • Lamp,incandescent — FSC 6240
  • Light Output Rating: 3.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Light Center Length: 0.620 INCHES NOMINAL IN
  • Bulb Designator: T-3 1/4
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Rated Average Life: HOURS
  • Base Style: MINIATURE BAYONET
  • Current Rating for Which Designed: 0.170 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-779-3394, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-779-3394
Primary Part Number313Y
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Light Output Rating3.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Light Center Length0.620 INCHES NOMINAL IN
Bulb DesignatorT-3 1/4
Bulb Light Transmission CharacteristicTRANSLUCENT
Rated Average LifeHOURS
Base StyleMINIATURE BAYONET
Current Rating for Which Designed0.170 AMPERES NOMINAL
Emitted Light CharacteristicYELLOW, AVIATION, MIL-C-25050 TYPE 1
Voltage Rating28.000 VOLTS NOMINAL
Wattage Rating4.760 WATTS
Average Life Rating in Hours500.0
Bulb StyleT (TUBULAR)
Filament Heavy Duty Service RatingNOT RATED
Filament DesignationC-2F
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-6302 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
65C82010C-09 Motorola Communications Group Parts Dept Div of Motorola Inc (USA)
313Y Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
313Y General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
313Y PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
3110-00-155-6302INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 6240-00-779-3394?

NSN 6240-00-779-3394 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 6240-00-779-3394?

NSN 6240-00-779-3394 has 4 cross-referenced part numbers: 65C82010C-09 (Motorola Communications Group Parts Dept Div of Motorola Inc), 313Y (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 313Y (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 313Y (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-779-3394?

There is 1 known substitute for 6240-00-779-3394: 3110-00-155-6302. Verify interchangeability with system specifications before substitution.

What are the specifications of 313Y?

Key specifications for 313Y: Light Output Rating: 3.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Light Center Length: 0.620 INCHES NOMINAL IN; Bulb Designator: T-3 1/4; Bulb Light Transmission Characteristic: TRANSLUCENT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-779-3394 still in active supply?

NSN 6240-00-779-3394 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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