PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FB40/WW/6/SSLamp,fluorescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-344-9512 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-9512 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-9512. Primary manufacturer part number: FB40/WW/6/SS.
Features
  • Lamp,fluorescent — FSC 6240
  • Starting Characteristic: RAPID
  • Rated Average Life: HOURS
  • Base Style: MEDIUM BIPIN (FLUORESCENT)
  • Wattage Rating: 35.000 WATTS
  • Criticality Code Justification: FEAT
  • Bulb Designator: U/6
  • Emitted Light Characteristic: WHITE, WARM
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-344-9512, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN6240-01-344-9512
Primary Part NumberFB40/WW/6/SS
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusACTIVE
Starting CharacteristicRAPID
Rated Average LifeHOURS
Base StyleMEDIUM BIPIN (FLUORESCENT)
Wattage Rating35.000 WATTS
Criticality Code JustificationFEAT
Bulb DesignatorU/6
Emitted Light CharacteristicWHITE, WARM
Bulb StyleT ("U" SHAPED TUBULAR)
Average Life Rating in Hours12000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-155-6155107759 INTERCHANGEABLE
Bearing,ball,annular
Dresser, Llc
5133-00-189-9252DBE7B INTERCHANGEABLE
Drill,twist
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5133-00-228-1328 INTERCHANGEABLE
Drill,twist
5930-00-240-3690152994 INTERCHANGEABLE
Switch,toggle
Telemechanics Inc
5945-00-255-6783A61691 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3030-00-289-7509 INTERCHANGEABLE
Belt,flat
6250-00-299-664812-207 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5355-00-566-605412207 INTERCHANGEABLE
Pointer,dial
Aerosonic Llc
4720-00-595-434512207 INTERCHANGEABLE
Hose,nonmetallic
Clayton Manufacturing Company
2810-00-628-0828AEC24047 INTERCHANGEABLE
Guide,e,haust Valve
Electro-Coatings Inc
Cross-Reference Index
Part NumberManufacturer
04-6677-29424-9 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
12207 General Electric Company Dba Ge (USA)
FB40WW/6/EW-II Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
24047 Gte Products Corp Sylvania Miniature Lighting Div (USA)
FB40/WW/6/SS PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
F40WW/U/6/WM General Electric Company Dba Ge (USA)
FB40/WW/6/SS Osram Sylvania Inc. (USA)
Related Parts
3110-00-155-6155INTERCHANGEABLE
BEARING,BALL,ANNULAR
107759
5133-00-189-9252INTERCHANGEABLE
DRILL,TWIST
DBE7B
5133-00-228-1328INTERCHANGEABLE
DRILL,TWIST
5930-00-240-3690INTERCHANGEABLE
SWITCH,TOGGLE
152994
5945-00-255-6783INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A61691
3030-00-289-7509INTERCHANGEABLE
BELT,FLAT
6250-00-299-6648INTERCHANGEABLE
LAMPHOLDER
12-207
5355-00-566-6054INTERCHANGEABLE
POINTER,DIAL
12207
4720-00-595-4345INTERCHANGEABLE
HOSE,NONMETALLIC
12207
2810-00-628-0828INTERCHANGEABLE
GUIDE,E,HAUST VALVE
AEC24047
9905-00-720-5390INTERCHANGEABLE
TAG,STOCK MARKING
5945-00-739-4441INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24047

Frequently Asked Questions

What is NSN 6240-01-344-9512?

NSN 6240-01-344-9512 is a Lamp,fluorescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-9512?

NSN 6240-01-344-9512 has 7 cross-referenced part numbers: 04-6677-29424-9 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 12207 (General Electric Company Dba Ge), FB40WW/6/EW-II (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 24047 (Gte Products Corp Sylvania Miniature Lighting Div), FB40/WW/6/SS (Gte Products Corp Sylvania Miniature Lighting Div) and 2 more.

What NSN replaces 6240-01-344-9512?

There are 12 known substitutes for 6240-01-344-9512: 3110-00-155-6155, 5133-00-189-9252, 5133-00-228-1328 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FB40/WW/6/SS?

Key specifications for FB40/WW/6/SS: Overall Length: 24.000 INCHES NOMINAL IN; Starting Characteristic: RAPID; Rated Average Life: HOURS; Base Style: MEDIUM BIPIN (FLUORESCENT). 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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