PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LU1000/SBYLamp,sodium

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-344-9968 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-9968 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-9968. Primary manufacturer part number: LU1000/SBY.
Features
  • Lamp,sodium — FSC 6240
  • Rated Average Life: HOURS
  • Bulb Style: BT (BULGED TUBULAR)
  • Base Style: MOGUL SCREW
  • Average Life Rating in Hours: 24000.0
  • Bulb Designator: BT-37
  • Light Output Rating: 50000.000 LUMENS NOMINAL SINGLE RATING
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,sodium, cataloged under National Stock Number 6240-01-344-9968, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-9968
Primary Part NumberLU1000/SBY
Item NameLamp,sodium
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusACTIVE
Rated Average LifeHOURS
Bulb StyleBT (BULGED TUBULAR)
Base StyleMOGUL SCREW
Average Life Rating in Hours24000.0
Bulb DesignatorBT-37
Light Output Rating50000.000 LUMENS NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Light Center Length5.750 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Wattage Rating400.000 WATTS
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-097-5895969-530J INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
5945-00-869-8449 INTERCHANGEABLE
Relay,electromagnetic
4720-01-243-1336 INTERCHANGEABLE
Hose,preformed
2920-01-594-492867543 INTERCHANGEABLE
Terminal Block,electrical
Mersen Usa Ep Corp. Dba Ferraz Shawmut
Cross-Reference Index
Part NumberManufacturer
67543 Gte Products Corp Sylvania Miniature Lighting Div (USA)
LU1000/S52/2 Lumenarc Inc (USA)
LU1000/SBY PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
Related Parts
5360-00-097-5895INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
969-530J
5945-00-869-8449INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4720-01-243-1336INTERCHANGEABLE
HOSE,PREFORMED
2920-01-594-4928INTERCHANGEABLE
TERMINAL BLOCK,ELECTRICAL
67543

Frequently Asked Questions

What is NSN 6240-01-344-9968?

NSN 6240-01-344-9968 is a Lamp,sodium, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-9968?

NSN 6240-01-344-9968 has 3 cross-referenced part numbers: 67543 (Gte Products Corp Sylvania Miniature Lighting Div), LU1000/S52/2 (Lumenarc Inc), LU1000/SBY (Gte Products Corp Sylvania Miniature Lighting Div).

What NSN replaces 6240-01-344-9968?

There are 4 known substitutes for 6240-01-344-9968: 5360-00-097-5895, 5945-00-869-8449, 4720-01-243-1336 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LU1000/SBY?

Key specifications for LU1000/SBY: Overall Length: 9.750 INCHES NOMINAL IN; Rated Average Life: HOURS; Bulb Style: BT (BULGED TUBULAR); Special Features: ENERGY EFFICIENT LAMP; STANDBY ARC TUBE. 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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