PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SLS/R40 20Lamp,fluorescent

Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company · NSN 6240-01-458-4608 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-458-4608 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-458-4608. Primary manufacturer part number: SLS/R40 20.
Features
  • Lamp,fluorescent — FSC 6240
  • Emitted Light Characteristic: WHITE, WARM
  • Base Style: MEDIUM SCREW
  • Starting Characteristic: INSTANT
  • Average Life Rating in Hours: 8000.0
  • Rated Average Life: HOURS
  • Wattage Rating: 20.000 WATTS
  • Bulb Designator: EL-R
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-458-4608, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-458-4608
Primary Part NumberSLS/R40 20
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerPhilips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
StatusACTIVE
Emitted Light CharacteristicWHITE, WARM
Base StyleMEDIUM SCREW
Starting CharacteristicINSTANT
Average Life Rating in Hours8000.0
Rated Average LifeHOURS
Wattage Rating20.000 WATTS
Bulb DesignatorEL-R
Bulb StylePAR (PARABOLIC, ALUMNIZED REFLECTOR)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-001-5891220392 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
SLS/R40 20 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
220392 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
Related Parts
5905-00-001-5891INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
220392

Frequently Asked Questions

What is NSN 6240-01-458-4608?

NSN 6240-01-458-4608 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 6240-01-458-4608?

NSN 6240-01-458-4608 has 2 cross-referenced part numbers: SLS/R40 20 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 220392 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company).

What NSN replaces 6240-01-458-4608?

There is 1 known substitute for 6240-01-458-4608: 5905-00-001-5891. Verify interchangeability with system specifications before substitution.

What are the specifications of SLS/R40 20?

Key specifications for SLS/R40 20: Emitted Light Characteristic: WHITE, WARM; Special Features: ENERGY SAVING;FLOOD; Base Style: MEDIUM SCREW; Starting Characteristic: INSTANT. 10 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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