PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QT13/35Lamp,fluorescent

Eiko, Ltd. Div Eiko Global, Llc · NSN 6240-01-352-0438 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-352-0438 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-352-0438. Primary manufacturer part number: QT13/35.
Features
  • Lamp,fluorescent — FSC 6240
  • Average Life Rating in Hours: 10000.0
  • Rated Average Life: HOURS
  • Starting Characteristic: PREHEAT
  • Base Style: 2-PIN
  • Wattage Rating: 13.000 WATTS
  • Bulb Designator: T-4
  • Environmental Attribute Code: COMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-352-0438, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Eiko, Ltd. Div Eiko Global, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Active.

Technical Specifications
ParameterValue
NSN6240-01-352-0438
Primary Part NumberQT13/35
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerEiko, Ltd. Div Eiko Global, Llc
StatusACTIVE
Average Life Rating in Hours10000.0
Rated Average LifeHOURS
Starting CharacteristicPREHEAT
Base Style2-PIN
Wattage Rating13.000 WATTS
Bulb DesignatorT-4
Environmental Attribute CodeCOMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS
Bulb StyleIT (TWIN TUBULAR)
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-055-359218-400 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
6620-00-199-8730 INTERCHANGEABLE
Indicator,pressure
5950-00-602-664918556 INTERCHANGEABLE
Reactor
Freed Transformer Co
6145-00-669-6700 INTERCHANGEABLE
Wire,electrical
3110-00-889-561110068341 INTERCHANGEABLE
Bearing,roller,cylindrical
Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings
1730-01-142-909418556 INTERCHANGEABLE
Bracket,dead End
Time Manufacturing Company Dba Time Manufacturing Company
5330-01-307-237418556 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
4130-01-459-360318556 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
QT13/35 Eiko, Ltd. Div Eiko Global, Llc (USA)
F13DTT/D835 Osram Sylvania Inc. (USA)
CF13DD/835 Osram Sylvania Inc. (USA)
18556 General Electric Company Dba Ge (USA)
F13DTT/35K Osram Corp Div of Siemens Corp (USA)
F13DTT/D835 Gte Products Corp Sylvania Miniature Lighting Div (USA)
F13DBX23T4/SPX35 General Electric Company Dba Ge (USA)
Related Parts
5950-00-055-3592INTERCHANGEABLE
COIL,RADIO FREQUENCY
18-400
6620-00-199-8730INTERCHANGEABLE
INDICATOR,PRESSURE
5950-00-602-6649INTERCHANGEABLE
REACTOR
18556
6145-00-669-6700INTERCHANGEABLE
WIRE,ELECTRICAL
3110-00-889-5611INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
10068341
1730-01-142-9094INTERCHANGEABLE
BRACKET,DEAD END
18556
5330-01-307-2374INTERCHANGEABLE
GASKET
18556
4130-01-459-3603INTERCHANGEABLE
VACU-DISCS
18556

Frequently Asked Questions

What is NSN 6240-01-352-0438?

NSN 6240-01-352-0438 is a Lamp,fluorescent, manufactured by Eiko, Ltd. Div Eiko Global, Llc, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-352-0438?

NSN 6240-01-352-0438 has 7 cross-referenced part numbers: QT13/35 (Eiko, Ltd. Div Eiko Global, Llc), F13DTT/D835 (Osram Sylvania Inc.), CF13DD/835 (Osram Sylvania Inc.), 18556 (General Electric Company Dba Ge), F13DTT/35K (Osram Corp Div of Siemens Corp) and 2 more.

What NSN replaces 6240-01-352-0438?

There are 8 known substitutes for 6240-01-352-0438: 5950-00-055-3592, 6620-00-199-8730, 5950-00-602-6649 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QT13/35?

Key specifications for QT13/35: Average Life Rating in Hours: 10000.0; Special Features: ENERGY EFFICIENT LAMP; 3500K; DOUBLE TWIN TUBE; Rated Average Life: HOURS; Starting Characteristic: PREHEAT. 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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