PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33558-1-5Lamp,fluorescent

King Nutronics Corporation Dba King Nutronics · NSN 6240-00-556-8655 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-556-8655 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-556-8655. Primary manufacturer part number: 33558-1-5.
Features
  • Lamp,fluorescent — FSC 6240
  • Rated Average Life: HOURS
  • Emitted Light Characteristic: WHITE, COOL
  • Wattage Rating: 22.000 WATTS
  • Bulb Designator: T-9
  • Bulb Style: T (CIRCULAR)
  • Starting Characteristic: RAPID
  • Base Style: 4-PIN CIRCULAR (FLUORESCENT)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-00-556-8655, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is King Nutronics Corporation Dba King Nutronics. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-556-8655
Primary Part Number33558-1-5
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerKing Nutronics Corporation Dba King Nutronics
StatusCANCELLED
Rated Average LifeHOURS
Emitted Light CharacteristicWHITE, COOL
Wattage Rating22.000 WATTS
Bulb DesignatorT-9
Bulb StyleT (CIRCULAR)
Starting CharacteristicRAPID
Base Style4-PIN CIRCULAR (FLUORESCENT)
Average Life Rating in Hours12000.0
Specification/standard Data08108-FC8T9/CW MANUFACTURERS STANDARD
Overall Diameter8.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-051-5163 INTERCHANGEABLE
Lamp,fluorescent
6240-00-067-1021F72T12CW/1500 INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
6240-00-072-9950F60T12CWH0 INTERCHANGEABLE
Lamp,fluorescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
6240-00-072-9951F48T12DH0 INTERCHANGEABLE
Lamp,fluorescent
Duro-Test Lighting
6240-00-072-9952F24T12DH0 INTERCHANGEABLE
Lamp,fluorescent
Duro-Test Lighting
6240-00-072-9956F36T12DH0 INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
6240-00-152-2987ANSI C78.1-78(F40T12/CW/RS) INTERCHANGEABLE
Lamp,fluorescent
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-702-6955FC8T9/KB INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
6240-00-824-4231F30T12DRS INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
6240-00-826-03241580 INTERCHANGEABLE
Lamp,fluorescent
Duro-Test Lighting
Cross-Reference Index
Part NumberManufacturer
FC8T9/CW U S Lighting Corp (USA)
1A80973 Lct Electronics (USA)
FC8T9/CW Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
3558-1-5 King Nutronics Corporation Dba King Nutronics (USA)
FC8T9/CW Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
C78.1-1978 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
FC8T9/CW/RS Gte Products Corp Sylvania Miniature Lighting Div (USA)
FC8T9/C2 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
FC8T9-CW Zf Industrieantriebe Witten Gmbh (DEU)
1614K14 Mcmaster-Carr Supply Co (USA)
33558-1-5 PRIMARY King Nutronics Corporation Dba King Nutronics (USA)
W-L-00116/24 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6240-00-051-5163INTERCHANGEABLE
LAMP,FLUORESCENT
6240-00-067-1021INTERCHANGEABLE
LAMP,FLUORESCENT
F72T12CW/1500
6240-00-072-9950INTERCHANGEABLE
LAMP,FLUORESCENT
F60T12CWH0
6240-00-072-9951INTERCHANGEABLE
LAMP,FLUORESCENT
F48T12DH0
6240-00-072-9952INTERCHANGEABLE
LAMP,FLUORESCENT
F24T12DH0
6240-00-072-9956INTERCHANGEABLE
LAMP,FLUORESCENT
F36T12DH0
6240-00-152-2987INTERCHANGEABLE
LAMP,FLUORESCENT
ANSI C78.1-78(F40T12/CW/RS)
6240-00-702-6955INTERCHANGEABLE
LAMP,FLUORESCENT
FC8T9/KB
6240-00-824-4231INTERCHANGEABLE
LAMP,FLUORESCENT
F30T12DRS
6240-00-826-0324INTERCHANGEABLE
LAMP,FLUORESCENT
1580
6240-00-917-6909INTERCHANGEABLE
LAMP,FLUORESCENT
6240-00-955-8698INTERCHANGEABLE
LAMP,FLUORESCENT
F96T12DSH0

Frequently Asked Questions

What is NSN 6240-00-556-8655?

NSN 6240-00-556-8655 is a Lamp,fluorescent, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-556-8655?

NSN 6240-00-556-8655 has 12 cross-referenced part numbers: FC8T9/CW (U S Lighting Corp), 1A80973 (Lct Electronics), FC8T9/CW (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 3558-1-5 (King Nutronics Corporation Dba King Nutronics), FC8T9/CW (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 7 more.

What NSN replaces 6240-00-556-8655?

There are 12 known substitutes for 6240-00-556-8655: 6240-00-051-5163, 6240-00-067-1021, 6240-00-072-9950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33558-1-5?

Key specifications for 33558-1-5: Rated Average Life: HOURS; Emitted Light Characteristic: WHITE, COOL; Wattage Rating: 22.000 WATTS; Bulb Designator: T-9. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-556-8655 still in active supply?

NSN 6240-00-556-8655 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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