PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LU250/SBYLamp,sodium

General Electric Company Dba Ge · NSN 6240-01-344-9965 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-9965 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-9965. Primary manufacturer part number: LU250/SBY.
Features
  • Lamp,sodium — FSC 6240
  • Average Life Rating in Hours: 24000.0
  • Base Style: MOGUL SCREW
  • Rated Average Life: HOURS
  • Wattage Rating: 250.000 WATTS
  • Criticality Code Justification: FEAT
  • Bulb Style: BT (BULGED TUBULAR)
  • 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 6240-01-344-9965, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Company Dba Ge. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-9965
Primary Part NumberLU250/SBY
Item NameLamp,sodium
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Company Dba Ge
StatusACTIVE
Average Life Rating in Hours24000.0
Base StyleMOGUL SCREW
Rated Average LifeHOURS
Wattage Rating250.000 WATTS
Criticality Code JustificationFEAT
Bulb StyleBT (BULGED TUBULAR)
Light Center Length5.750 INCHES NOMINAL IN
Bulb DesignatorED-18
Light Output Rating29000.000 LUMENS NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Emitted Light CharacteristicCOLORLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9390-01-531-34037000030834 INTERCHANGEABLE
Tape,reflective
3m Company
1550-01-653-538267537 INTERCHANGEABLE
Spares Package
Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
LU250/SBY PRIMARY General Electric Company Dba Ge (USA)
C250S50/2 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
67537 Gte Products Corp Sylvania Miniature Lighting Div (USA)
LU250/SBY Gte Products Corp Sylvania Miniature Lighting Div (USA)
LU250/SBY Osram Sylvania Inc. (USA)
LU250S50/2 Lumenarc Inc (USA)
Related Parts
9390-01-531-3403INTERCHANGEABLE
TAPE,REFLECTIVE
7000030834
1550-01-653-5382INTERCHANGEABLE
SPARES PACKAGE
67537

Frequently Asked Questions

What is NSN 6240-01-344-9965?

NSN 6240-01-344-9965 is a Lamp,sodium, manufactured by General Electric Company Dba Ge, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-9965?

NSN 6240-01-344-9965 has 6 cross-referenced part numbers: LU250/SBY (General Electric Company Dba Ge), C250S50/2 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 67537 (Gte Products Corp Sylvania Miniature Lighting Div), LU250/SBY (Gte Products Corp Sylvania Miniature Lighting Div), LU250/SBY (Osram Sylvania Inc.) and 1 more.

What NSN replaces 6240-01-344-9965?

There are 2 known substitutes for 6240-01-344-9965: 9390-01-531-3403, 1550-01-653-5382. Verify interchangeability with system specifications before substitution.

What are the specifications of LU250/SBY?

Key specifications for LU250/SBY: Overall Length: 9.750 INCHES NOMINAL IN; Average Life Rating in Hours: 24000.0; Base Style: MOGUL SCREW; Rated Average Life: HOURS. 13 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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