PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS400/C/BULamp,metal Halide

Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company · NSN 6240-01-344-9562 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-9562 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-9562. Primary manufacturer part number: MS400/C/BU.
Features
  • Lamp,metal Halide — FSC 6240
  • Rated Average Life: HOURS
  • Bulb Designator: BT-37
  • Emitted Light Characteristic: WHITE
  • Base Style: MOGUL SCREW
  • Bulb Style: BT (BULGED TUBULAR)
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Criticality Code Justification: FEAT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,metal Halide, cataloged under National Stock Number 6240-01-344-9562, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-01-344-9562
Primary Part NumberMS400/C/BU
Item NameLamp,metal Halide
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerPhilips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
StatusCANCELLED
Rated Average LifeHOURS
Bulb DesignatorBT-37
Emitted Light CharacteristicWHITE
Base StyleMOGUL SCREW
Bulb StyleBT (BULGED TUBULAR)
Bulb Light Transmission CharacteristicTRANSLUCENT
Criticality Code JustificationFEAT
Light Output Rating21000.000 LUMENS NOMINAL SINGLE RATING
Wattage Rating400.000 WATTS
Light Center Length7.000 INCHES NOMINAL IN
Average Life Rating in Hours20000.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6240-01-158-660162957 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
Cross-Reference Index
Part NumberManufacturer
MS400/C/BU Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
49656 General Electric Company Dba Ge (USA)
MS400/C/BU-ONLY Osram Sylvania Inc. (USA)
MVR400/C/VBU General Electric Company Dba Ge (USA)
MVT400/C/VBU General Electric Company Dba Ge (USA)
MPT400/C/BU-ONLY Gte Products Corp Sylvania Miniature Lighting Div (USA)
Related Parts
6240-01-158-6601INTERCHANGEABLE
LAMP,METAL HALIDE
62957

Frequently Asked Questions

What is NSN 6240-01-344-9562?

NSN 6240-01-344-9562 is a Lamp,metal Halide, manufactured by Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-344-9562?

NSN 6240-01-344-9562 has 6 cross-referenced part numbers: MS400/C/BU (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 49656 (General Electric Company Dba Ge), MS400/C/BU-ONLY (Osram Sylvania Inc.), MVR400/C/VBU (General Electric Company Dba Ge), MVT400/C/VBU (General Electric Company Dba Ge) and 1 more.

What NSN replaces 6240-01-344-9562?

There is 1 known substitute for 6240-01-344-9562: 6240-01-158-6601. Verify interchangeability with system specifications before substitution.

What are the specifications of MS400/C/BU?

Key specifications for MS400/C/BU: Rated Average Life: HOURS; Overall Length: 11.500 INCHES NOMINAL11.500 INCHES NOMINAL IN; Bulb Designator: BT-37; Emitted Light Characteristic: WHITE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-344-9562 still in active supply?

NSN 6240-01-344-9562 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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