PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90/52A19/W/HI-LO/120Lamp,incandescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-344-6963 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-6963 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-6963. Primary manufacturer part number: 90/52A19/W/HI-LO/120.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Designation: C,CC-8
  • Bulb Designator: A-19
  • Light Center Length: 3.125 INCHES NOMINAL IN
  • Light Output Rating: 370.000 LUMENS NOMINAL FIRST RATING
  • Light Output Rating: 1400.000 LUMENS NOMINAL SECOND RATING
  • Emitted Light Characteristic: WHITE
  • Filament Heavy Duty Service Rating: NOT RATED
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-344-6963, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-6963
Primary Part Number90/52A19/W/HI-LO/120
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusACTIVE
Filament DesignationC,CC-8
Bulb DesignatorA-19
Light Center Length3.125 INCHES NOMINAL IN
Light Output Rating370.000 LUMENS NOMINAL FIRST RATING
Light Output Rating1400.000 LUMENS NOMINAL SECOND RATING
Emitted Light CharacteristicWHITE
Filament Heavy Duty Service RatingNOT RATED
Current Rating for Which Designed0.433 AMPERES MINIMUM AND 0.750 AMPERES MAXIMUM
Criticality Code JustificationFEAT
Bulb Light Transmission CharacteristicTRANSLUCENT
Base StyleTHREE CONTACT MEDIUM SCREW
Bulb StyleA (ARBITRARY DESIGNATION)
Rated Average LifeHOURS
Wattage Rating52.000 WATTS AND 90.000 WATTS
Voltage Rating120.000 VOLTS NOMINAL
Average Life Rating in Hours2500.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2810-00-118-835912574 INTERCHANGEABLE
Cover,special
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5133-00-227-5986 INTERCHANGEABLE
Drill,twist
3010-00-882-967312574 INTERCHANGEABLE
Gearcase-Motor
Belfort Instrument Company
5950-00-998-4256546739 INTERCHANGEABLE
Reactor
Cae Usa Inc.
5360-01-139-457212574 INTERCHANGEABLE
Spring
Curtis-Toledo, Inc.
5315-01-679-281612574 INTERCHANGEABLE
Pin,tapered,plain
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
90/52A19/W/HI-LO/120 PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
12574 Gte Products Corp Sylvania Miniature Lighting Div (USA)
Related Parts
2810-00-118-8359INTERCHANGEABLE
COVER,SPECIAL
12574
5133-00-227-5986INTERCHANGEABLE
DRILL,TWIST
3010-00-882-9673INTERCHANGEABLE
GEARCASE-MOTOR
12574
5950-00-998-4256INTERCHANGEABLE
REACTOR
546739
5360-01-139-4572INTERCHANGEABLE
SPRING
12574
5315-01-679-2816INTERCHANGEABLE
PIN,TAPERED,PLAIN
12574

Frequently Asked Questions

What is NSN 6240-01-344-6963?

NSN 6240-01-344-6963 is a Lamp,incandescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-6963?

NSN 6240-01-344-6963 has 2 cross-referenced part numbers: 90/52A19/W/HI-LO/120 (Gte Products Corp Sylvania Miniature Lighting Div), 12574 (Gte Products Corp Sylvania Miniature Lighting Div).

What NSN replaces 6240-01-344-6963?

There are 6 known substitutes for 6240-01-344-6963: 2810-00-118-8359, 5133-00-227-5986, 3010-00-882-9673 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90/52A19/W/HI-LO/120?

Key specifications for 90/52A19/W/HI-LO/120: Filament Designation: C,CC-8; Overall Length: 4.438 INCHES NOMINAL IN; Bulb Designator: A-19; Light Center Length: 3.125 INCHES NOMINAL IN. 18 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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