PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L-514Lamp,incandescent

Lumitron Corp. · NSN 6240-01-057-1716 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-057-1716 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-057-1716. Primary manufacturer part number: L-514.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Designator: T-1 3/4
  • Base Style: MIDGET FLANGED
  • Emitted Light Characteristic: NATURAL
  • Rated Average Life: NOT RATED
  • Light Center Length: 0.375 INCHES NOMINAL IN
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-057-1716, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lumitron Corp.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-057-1716
Primary Part NumberL-514
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLumitron Corp.
StatusACTIVE
Bulb DesignatorT-1 3/4
Base StyleMIDGET FLANGED
Emitted Light CharacteristicNATURAL
Rated Average LifeNOT RATED
Light Center Length0.375 INCHES NOMINAL IN
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb StyleT (TUBULAR)
Current Rating for Which Designed0.200 AMPERES NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Voltage Rating4.500 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-377-0662 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
514 Lumitron Corp. (USA)
L-514 PRIMARY Lumitron Corp. (USA)
Related Parts
3020-00-377-0662INTERCHANGEABLE
GEAR,SPUR

Frequently Asked Questions

What is NSN 6240-01-057-1716?

NSN 6240-01-057-1716 is a Lamp,incandescent, manufactured by Lumitron Corp., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-057-1716?

NSN 6240-01-057-1716 has 2 cross-referenced part numbers: 514 (Lumitron Corp.), L-514 (Lumitron Corp.).

What NSN replaces 6240-01-057-1716?

There is 1 known substitute for 6240-01-057-1716: 3020-00-377-0662. Verify interchangeability with system specifications before substitution.

What are the specifications of L-514?

Key specifications for L-514: Bulb Designator: T-1 3/4; Base Style: MIDGET FLANGED; Emitted Light Characteristic: NATURAL; Rated Average Life: NOT RATED. 11 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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