PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26631-2Lamp,fluorescent

Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company · NSN 6240-01-461-2139 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-461-2139 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-461-2139. Primary manufacturer part number: 26631-2.
Features
  • Lamp,fluorescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Average Life Rating in Hours: 20000.0
  • Emitted Light Characteristic: WHITE
  • Bulb Designator: T-12
  • Base Style: MEDIUM BIPIN (FLUORESCENT)
  • Environmental Attribute Code: FLUORESCENT LAMPS - FEMP-LIGHTING - ENERGY EFFICIENT PRODUCTS
  • Starting Characteristic: RAPID
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-461-2139, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-461-2139
Primary Part Number26631-2
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerPhilips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
StatusACTIVE
Bulb StyleT (TUBULAR)
Average Life Rating in Hours20000.0
Emitted Light CharacteristicWHITE
Bulb DesignatorT-12
Base StyleMEDIUM BIPIN (FLUORESCENT)
Environmental Attribute CodeFLUORESCENT LAMPS - FEMP-LIGHTING - ENERGY EFFICIENT PRODUCTS
Starting CharacteristicRAPID
Rated Average LifeHOURS
Wattage Rating34.000 WATTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4720-00-922-51362663-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5962-00-927-17493130-266312 INTERCHANGEABLE
Microcircuit,digital
Fluke Corp
4730-01-249-3007 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
F40T12/ADV835/ALTO Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
F40/35U ALTO Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
26631-2 PRIMARY Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
272997 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
Related Parts
4720-00-922-5136INTERCHANGEABLE
HOSE,NONMETALLIC
2663-12
5962-00-927-1749INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3130-266312
4730-01-249-3007INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 6240-01-461-2139?

NSN 6240-01-461-2139 is a Lamp,fluorescent, manufactured by Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-461-2139?

NSN 6240-01-461-2139 has 4 cross-referenced part numbers: F40T12/ADV835/ALTO (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), F40/35U ALTO (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 26631-2 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 272997 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company).

What NSN replaces 6240-01-461-2139?

There are 3 known substitutes for 6240-01-461-2139: 4720-00-922-5136, 5962-00-927-1749, 4730-01-249-3007. Verify interchangeability with system specifications before substitution.

What are the specifications of 26631-2?

Key specifications for 26631-2: Bulb Style: T (TUBULAR); Special Features: ENERGY SAVER; Average Life Rating in Hours: 20000.0; Emitted Light Characteristic: WHITE. 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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