PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS360/C/SS/BU-HORLamp,metal Halide

Osram Sylvania Inc. · NSN 6240-01-479-2191 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-479-2191 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-479-2191. Primary manufacturer part number: MS360/C/SS/BU-HOR.
Features
  • Lamp,metal Halide — FSC 6240
  • Bulb Designator: BT-37
  • Burning Position: BASE UP TO HORIZONTAL
  • Wattage Rating: 360.000 WATTS
  • Bulb Style: BT (BULGED TUBULAR)
  • 2 verified cross-references
  • Primary manufacturer: Osram Sylvania Inc.
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,metal Halide, cataloged under National Stock Number 6240-01-479-2191, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Osram Sylvania Inc.. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-479-2191
Primary Part NumberMS360/C/SS/BU-HOR
Item NameLamp,metal Halide
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Sylvania Inc.
StatusACTIVE
Bulb DesignatorBT-37
Burning PositionBASE UP TO HORIZONTAL
Wattage Rating360.000 WATTS
Bulb StyleBT (BULGED TUBULAR)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-553-2235 INTERCHANGEABLE
Seal,plain Encased
5330-01-039-417429316 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3040-01-216-325064656KZZ INTERCHANGEABLE
Hub,body
Adams Rite Aerospace, Inc
Cross-Reference Index
Part NumberManufacturer
MS360/C/SS/BU-HOR Osram Sylvania Inc. (USA)
64656 Osram Sylvania Inc. (USA)
Related Parts
5330-00-553-2235INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-039-4174INTERCHANGEABLE
SEAL,PLAIN ENCASED
29316
3040-01-216-3250INTERCHANGEABLE
HUB,BODY
64656KZZ

Frequently Asked Questions

What is NSN 6240-01-479-2191?

NSN 6240-01-479-2191 is a Lamp,metal Halide, manufactured by Osram Sylvania Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-479-2191?

NSN 6240-01-479-2191 has 2 cross-referenced part numbers: MS360/C/SS/BU-HOR (Osram Sylvania Inc.), 64656 (Osram Sylvania Inc.).

What NSN replaces 6240-01-479-2191?

There are 3 known substitutes for 6240-01-479-2191: 5330-00-553-2235, 5330-01-039-4174, 3040-01-216-3250. Verify interchangeability with system specifications before substitution.

What are the specifications of MS360/C/SS/BU-HOR?

Key specifications for MS360/C/SS/BU-HOR: Bulb Designator: BT-37; Special Features: AVERAGE RATED LIFE: 20000 HOURS IN BASE-UP OPERATING POSITION, 15000 HOURS IN HORIZONTAL OPERATING POSITION; LIGHT OUTPUT RATING: 36000 INITIAL LUMENS IN BASE-UP OPERATING POSITION, 30000 INITIAL LUMENS IN HORIZONTAL OPERATING POSITION; CRI 70; CCT 3600 K; Burning Position: BASE UP TO HORIZONTAL; Wattage Rating: 360.000 WATTS. 5 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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