PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F40LW/SS/ECOLamp,fluorescent

Osram Sylvania Inc. · NSN 6240-01-479-2967 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-479-2967 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-479-2967. Primary manufacturer part number: F40LW/SS/ECO.
Features
  • Lamp,fluorescent — FSC 6240
  • Color Temp in Deg Kelvin: 4150.0
  • Base Style: MEDIUM BIPIN (FLUORESCENT)
  • Bulb Designator: T-12
  • Bulb Style: T (TUBULAR)
  • Rated Average Life: HOURS
  • Environmental Attribute Code: FLUORESCENT LAMPS - FEMP-LIGHTING - ENERGY EFFICIENT PRODUCTS
  • Wattage Rating: 34.000 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-479-2967, 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 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-479-2967
Primary Part NumberF40LW/SS/ECO
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Sylvania Inc.
StatusACTIVE
Color Temp in Deg Kelvin4150.0
Base StyleMEDIUM BIPIN (FLUORESCENT)
Bulb DesignatorT-12
Bulb StyleT (TUBULAR)
Rated Average LifeHOURS
Environmental Attribute CodeFLUORESCENT LAMPS - FEMP-LIGHTING - ENERGY EFFICIENT PRODUCTS
Wattage Rating34.000 WATTS
Starting CharacteristicRAPID
Average Life Rating in Hours20000.0
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2835-00-056-492448196-2 INTERCHANGEABLE
Blade,gas Turbine
Rtx Corporation Div Pratt & Whitney
3455-00-243-2177TABLE 15, 609 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
The American Society of Mechanical Engineers
5330-00-678-899124566 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
2530-00-737-5387 INTERCHANGEABLE
Brake Drum
5945-01-293-397624566 INTERCHANGEABLE
Relay,electromagnetic
Kurz & Root Generator Company, Llc
5998-01-343-557124566 INTERCHANGEABLE
Extender Card,electronic Test
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
F40LW/SS/ECO Osram Sylvania Inc. (USA)
24566 Osram Sylvania Inc. (USA)
Related Parts
2835-00-056-4924INTERCHANGEABLE
BLADE,GAS TURBINE
48196-2
3455-00-243-2177INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
TABLE 15, 609
5330-00-678-8991INTERCHANGEABLE
GASKET
24566
2530-00-737-5387INTERCHANGEABLE
BRAKE DRUM
5945-01-293-3976INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24566
5998-01-343-5571INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
24566

Frequently Asked Questions

What is NSN 6240-01-479-2967?

NSN 6240-01-479-2967 is a Lamp,fluorescent, manufactured by Osram Sylvania Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-479-2967?

NSN 6240-01-479-2967 has 2 cross-referenced part numbers: F40LW/SS/ECO (Osram Sylvania Inc.), 24566 (Osram Sylvania Inc.).

What NSN replaces 6240-01-479-2967?

There are 6 known substitutes for 6240-01-479-2967: 2835-00-056-4924, 3455-00-243-2177, 5330-00-678-8991 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F40LW/SS/ECO?

Key specifications for F40LW/SS/ECO: Color Temp in Deg Kelvin: 4150.0; Base Style: MEDIUM BIPIN (FLUORESCENT); Special Features: LITE WHITE SUPERSAVER ECOLOGIC; CRI 48; LAMP COMPLIES WITH ENERGY POLICY ACT (EPACT); LAMP DESIGNED TO PASS FEDERAL TOXIC CHARACTERISTIC LEACHING PROCEDURE (TCLP) CRITERIA FOR CLASSIFICATION AS NON-HAZARDOUS WASTE IN MOST STATES; Bulb Designator: T-12. 12 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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