PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F9TT/27KLamp,fluorescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-344-9532 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-9532 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-9532. Primary manufacturer part number: F9TT/27K.
Features
  • Lamp,fluorescent — FSC 6240
  • Bulb Style: T ("U" SHAPED TUBULAR)
  • Starting Characteristic: PREHEAT
  • Criticality Code Justification: FEAT
  • Environmental Attribute Code: COMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS
  • Rated Average Life: HOURS
  • Wattage Rating: 9.000 WATTS
  • Base Style: MEDIUM TWO PIN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-344-9532, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 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
NSN6240-01-344-9532
Primary Part NumberF9TT/27K
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusCANCELLED
Bulb StyleT ("U" SHAPED TUBULAR)
Starting CharacteristicPREHEAT
Criticality Code JustificationFEAT
Environmental Attribute CodeCOMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS
Rated Average LifeHOURS
Wattage Rating9.000 WATTS
Base StyleMEDIUM TWO PIN
Bulb DesignatorT4/G23
Average Life Rating in Hours10000.0
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-7563313R INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5920-00-177-1972GE8431-3 INTERCHANGEABLE
Fuseholder,block
Lockheed Martin Corporation Div Rms
3110-00-198-262614256P11 INTERCHANGEABLE
Bearing,roller,self-Aligning
Taylor Machine Works Inc
7510-00-285-178726109 INTERCHANGEABLE
Rubber Band
Alliance Rubber Co
3120-00-375-2877 INTERCHANGEABLE
Bushing Pump Shaft
5920-00-424-8873AGC15 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5961-00-467-1782 INTERCHANGEABLE
Semiconductor Devices,unitized
5315-00-486-858314117 INTERCHANGEABLE
Pin Assy,parachute
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5940-00-518-79801226979-1 INTERCHANGEABLE
Terminal,stud
Honeywell Intl Inc Defense Avionics Systems
3110-00-554-3295 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
PL9 2700K Feit Electric Co Inc Dba Ultra Light (USA)
CF9DS/E/827 Osram Sylvania Inc. (USA)
1528K92 Mcmaster-Carr Supply Co (USA)
F9TT/27K Osram Corp Div of Siemens Corp (USA)
F9BX/SPX27 General Electric Company Dba Ge (USA)
PLS9W/27 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
F9TT/27K PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
PL59W/27 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
F9BX/SPX27 General Electric Co (USA)
20401 Gte Products Corp Sylvania Miniature Lighting Div (USA)
04-6677-34257-6 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
14117 General Electric Company Dba Ge (USA)
20313 Osram Sylvania Inc. (USA)
Related Parts
3110-00-156-7563INTERCHANGEABLE
BEARING,BALL,ANNULAR
313R
5920-00-177-1972INTERCHANGEABLE
FUSEHOLDER,BLOCK
GE8431-3
3110-00-198-2626INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
14256P11
7510-00-285-1787INTERCHANGEABLE
RUBBER BAND
26109
3120-00-375-2877INTERCHANGEABLE
BUSHING PUMP SHAFT
5920-00-424-8873INTERCHANGEABLE
FUSE,CARTRIDGE
AGC15
5961-00-467-1782INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5315-00-486-8583INTERCHANGEABLE
PIN ASSY,PARACHUTE
14117
5940-00-518-7980INTERCHANGEABLE
TERMINAL,STUD
1226979-1
3110-00-554-3295INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-645-5100INTERCHANGEABLE
TRANSFORMER,POWER
20401
1660-00-656-8772INTERCHANGEABLE
OXYGEN SYSTEM,AIRCRAFT SURVIVAL
20401

Frequently Asked Questions

What is NSN 6240-01-344-9532?

NSN 6240-01-344-9532 is a Lamp,fluorescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-344-9532?

NSN 6240-01-344-9532 has 13 cross-referenced part numbers: PL9 2700K (Feit Electric Co Inc Dba Ultra Light), CF9DS/E/827 (Osram Sylvania Inc.), 1528K92 (Mcmaster-Carr Supply Co), F9TT/27K (Osram Corp Div of Siemens Corp), F9BX/SPX27 (General Electric Company Dba Ge) and 8 more.

What NSN replaces 6240-01-344-9532?

There are 12 known substitutes for 6240-01-344-9532: 3110-00-156-7563, 5920-00-177-1972, 3110-00-198-2626 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F9TT/27K?

Key specifications for F9TT/27K: Bulb Style: T ("U" SHAPED TUBULAR); Starting Characteristic: PREHEAT; Criticality Code Justification: FEAT; Environmental Attribute Code: COMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-344-9532 still in active supply?

NSN 6240-01-344-9532 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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