PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C250S50/ALLamp,sodium

Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company · NSN 6240-01-458-4670 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-458-4670 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-458-4670. Primary manufacturer part number: C250S50/AL.
Features
  • Lamp,sodium — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: ED-18
  • Bulb Style: E (ELIPTICAL)
  • Rated Average Life: HOURS
  • Base Style: MOGUL SCREW
  • Light Output Rating: 28500.000 LUMENS NOMINAL SINGLE RATING
  • Light Center Length: 5.750 INCHES NOMINAL IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,sodium, cataloged under National Stock Number 6240-01-458-4670, 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 10 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
NSN6240-01-458-4670
Primary Part NumberC250S50/AL
Item NameLamp,sodium
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerPhilips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
StatusACTIVE
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorED-18
Bulb StyleE (ELIPTICAL)
Rated Average LifeHOURS
Base StyleMOGUL SCREW
Light Output Rating28500.000 LUMENS NOMINAL SINGLE RATING
Light Center Length5.750 INCHES NOMINAL IN
Wattage Rating250.000 WATTS
Emitted Light CharacteristicWHITE
Average Life Rating in Hours24000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-643-5089276642 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
276642 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
C250S50/AL PRIMARY Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
Related Parts
5940-00-643-5089INTERCHANGEABLE
TERMINAL,LUG
276642

Frequently Asked Questions

What is NSN 6240-01-458-4670?

NSN 6240-01-458-4670 is a Lamp,sodium, 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 6240-01-458-4670?

NSN 6240-01-458-4670 has 2 cross-referenced part numbers: 276642 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), C250S50/AL (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company).

What NSN replaces 6240-01-458-4670?

There is 1 known substitute for 6240-01-458-4670: 5940-00-643-5089. Verify interchangeability with system specifications before substitution.

What are the specifications of C250S50/AL?

Key specifications for C250S50/AL: Overall Length: 9.750 INCHES NOMINAL IN; Bulb Light Transmission Characteristic: TRANSPARENT; Bulb Designator: ED-18; Bulb Style: E (ELIPTICAL). 12 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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