PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52554Lamp,incandescent

Osram Sylvania Inc · NSN 6240-01-344-4782 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-4782 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-4782. Primary manufacturer part number: 52554.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: MEDIUM SCREW
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: HOURS
  • Filament Designation: CC-8
  • Light Output Rating: 855.000 LUMENS NOMINAL SINGLE RATING
  • Criticality Code Justification: FEAT
  • Light Center Length: 3.125 INCHES NOMINAL IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-344-4782, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Osram Sylvania Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN6240-01-344-4782
Primary Part Number52554
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Sylvania Inc
StatusCANCELLED
Base StyleMEDIUM SCREW
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Filament DesignationCC-8
Light Output Rating855.000 LUMENS NOMINAL SINGLE RATING
Criticality Code JustificationFEAT
Light Center Length3.125 INCHES NOMINAL IN
Voltage Rating120.000 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSLUCENT
Current Rating for Which Designed0.458 AMPERES NOMINAL
Average Life Rating in Hours1000.0
Wattage Rating55.000 WATTS
Bulb DesignatorA-19
Emitted Light CharacteristicWHITE
Bulb StyleA (ARBITRARY DESIGNATION)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3020-00-496-131312629 INTERCHANGEABLE
Gear,spur
Garwood/feller Inc Garwood Winch Div
5950-00-528-89241M154-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
5360-00-786-807812629 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5950-00-885-571352554 INTERCHANGEABLE
Transformer,current
Stewart & Stevenson Power Products Llc
2815-00-908-66613313E735 INTERCHANGEABLE
Guide,valve Stem
Perkins Engines Inc
5315-01-171-6258126-29 INTERCHANGEABLE
Key,woodruff
Cnh Industrial America Llc Dba Cnh America
6150-01-174-474812629 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4810-01-517-5524 INTERCHANGEABLE
Valve Assembly,manifold
Cross-Reference Index
Part NumberManufacturer
36564-3 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
12200 Gte Products Corp Sylvania Miniature Lighting Div (USA)
12629 General Electric Company Dba Ge (USA)
55T/W/ES/120V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
55A/MI/LL 48PK/120V General Electric Company Dba Ge (USA)
55A/W/MI 48PK General Electric Company Dba Ge (USA)
53A/HAL/SSW/2 120V Osram Sylvania Inc. (USA)
52554 PRIMARY Osram Sylvania Inc (USA)
55A/W/EP/120V Gte Products Corp Sylvania Miniature Lighting Div (USA)
Related Parts
3020-00-496-1313INTERCHANGEABLE
GEAR,SPUR
12629
5950-00-528-8924INTERCHANGEABLE
TRANSFORMER,POWER
1M154-1
5360-00-786-8078INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12629
5950-00-885-5713INTERCHANGEABLE
TRANSFORMER,CURRENT
52554
2815-00-908-6661INTERCHANGEABLE
GUIDE,VALVE STEM
3313E735
5315-01-171-6258INTERCHANGEABLE
KEY,WOODRUFF
126-29
6150-01-174-4748INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12629
4810-01-517-5524INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 6240-01-344-4782?

NSN 6240-01-344-4782 is a Lamp,incandescent, manufactured by Osram Sylvania Inc, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-344-4782?

NSN 6240-01-344-4782 has 9 cross-referenced part numbers: 36564-3 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 12200 (Gte Products Corp Sylvania Miniature Lighting Div), 12629 (General Electric Company Dba Ge), 55T/W/ES/120V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 55A/MI/LL 48PK/120V (General Electric Company Dba Ge) and 4 more.

What NSN replaces 6240-01-344-4782?

There are 8 known substitutes for 6240-01-344-4782: 3020-00-496-1313, 5950-00-528-8924, 5360-00-786-8078 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52554?

Key specifications for 52554: Base Style: MEDIUM SCREW; Filament Heavy Duty Service Rating: NOT RATED; Rated Average Life: HOURS; Filament Designation: CC-8. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-344-4782 still in active supply?

NSN 6240-01-344-4782 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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