PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F40T12/941/ECO/2/30Lamp,fluorescent

Osram Sylvania Inc · NSN 6240-01-479-2934 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-479-2934 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-479-2934. Primary manufacturer part number: F40T12/941/ECO/2/30.
Features
  • Lamp,fluorescent — FSC 6240
  • Wattage Rating: 40.000 WATTS
  • Color Temp in Deg Kelvin: 4100.0
  • Emitted Light Characteristic: WHITE, DESIGN
  • Bulb Designator: T-12
  • Average Life Rating in Hours: 20000.0
  • Rated Average Life: HOURS
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-479-2934, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-479-2934
Primary Part NumberF40T12/941/ECO/2/30
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Sylvania Inc
StatusACTIVE
Wattage Rating40.000 WATTS
Color Temp in Deg Kelvin4100.0
Emitted Light CharacteristicWHITE, DESIGN
Bulb DesignatorT-12
Average Life Rating in Hours20000.0
Rated Average LifeHOURS
Bulb StyleT (TUBULAR)
Base StyleMEDIUM BIPIN (FLUORESCENT)
Starting CharacteristicRAPID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-096-1737 INTERCHANGEABLE
Washer,bridge
3030-00-264-3054103518 INTERCHANGEABLE
Belt,v
Allianz Sweeper Company
5365-00-289-508324541 INTERCHANGEABLE
Bushing,machine Thread
Telephonics Corp/prd Instruments
1680-00-465-94597-24541-1 INTERCHANGEABLE
Control Box Assy,la
Triumph Controls, Llc Dba Triumph Controls, Llc
1660-00-752-49803B90024-101 INTERCHANGEABLE
Control Box,electrical-Electroni
Lockheed Martin Corp
6110-00-965-544522435 INTERCHANGEABLE
Regulator,voltage
Ward Leonard Ct Llc
3040-01-192-362224541 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
4320-01-260-438122435 INTERCHANGEABLE
Sleeve,shaft,pump
Industrial Technologies and Services Llc
5330-01-328-6869A-56119 INTERCHANGEABLE
Packing,preformed
Teikoku Usa Inc. Div Chempump, a Division of Teikoku Usa Inc
5998-01-343-557024541 INTERCHANGEABLE
Extender Card,electronic Test
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
F40T12/941/ECO/2/30 PRIMARY Osram Sylvania Inc (USA)
F40/D41/ECO Osram Sylvania Inc (USA)
22435 Osram Sylvania Inc. (USA)
22435 Osram Sylvania Inc (USA)
F40T12/941/ECO/2/30 Osram Sylvania Inc. (USA)
F40/D41/ECO Osram Sylvania Inc. (USA)
24541 Osram Sylvania Inc. (USA)
Related Parts
5310-00-096-1737INTERCHANGEABLE
WASHER,BRIDGE
3030-00-264-3054INTERCHANGEABLE
BELT,V
103518
5365-00-289-5083INTERCHANGEABLE
BUSHING,MACHINE THREAD
24541
1680-00-465-9459INTERCHANGEABLE
CONTROL BOX ASSY,LA
7-24541-1
1660-00-752-4980INTERCHANGEABLE
CONTROL BOX,ELECTRICAL-ELECTRONI
3B90024-101
6110-00-965-5445INTERCHANGEABLE
REGULATOR,VOLTAGE
22435
3040-01-192-3622INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
24541
4320-01-260-4381INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
22435
5330-01-328-6869INTERCHANGEABLE
PACKING,PREFORMED
A-56119
5998-01-343-5570INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
24541
2990-01-446-5341INTERCHANGEABLE
MUFFLER,EXHAUST
22435
4320-01-461-6650INTERCHANGEABLE
HEAD,HYDRAULIC MOTOR-PUMP
24541

Frequently Asked Questions

What is NSN 6240-01-479-2934?

NSN 6240-01-479-2934 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 6240-01-479-2934?

NSN 6240-01-479-2934 has 7 cross-referenced part numbers: F40T12/941/ECO/2/30 (Osram Sylvania Inc), F40/D41/ECO (Osram Sylvania Inc), 22435 (Osram Sylvania Inc.), 22435 (Osram Sylvania Inc), F40T12/941/ECO/2/30 (Osram Sylvania Inc.) and 2 more.

What NSN replaces 6240-01-479-2934?

There are 12 known substitutes for 6240-01-479-2934: 5310-00-096-1737, 3030-00-264-3054, 5365-00-289-5083 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F40T12/941/ECO/2/30?

Key specifications for F40T12/941/ECO/2/30: Wattage Rating: 40.000 WATTS; Color Temp in Deg Kelvin: 4100.0; Emitted Light Characteristic: WHITE, DESIGN; Bulb Designator: T-12. 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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