PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LU400/SBYLamp,sodium

Westron Corporation Dba Westron Lighting · NSN 6240-01-345-9536 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-345-9536 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-345-9536. Primary manufacturer part number: LU400/SBY.
Features
  • Lamp,sodium — FSC 6240
  • Average Life Rating in Hours: 24000.0
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Base Style: MEDIUM SCREW
  • Bulb Style: E (ELIPTICAL)
  • Light Output Rating: 50000.000 LUMENS NOMINAL SINGLE RATING
  • Light Center Length: 5.750 INCHES NOMINAL IN
  • Emitted Light Characteristic: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,sodium, cataloged under National Stock Number 6240-01-345-9536, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Westron Corporation Dba Westron Lighting. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-345-9536
Primary Part NumberLU400/SBY
Item NameLamp,sodium
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWestron Corporation Dba Westron Lighting
StatusACTIVE
Average Life Rating in Hours24000.0
Bulb Light Transmission CharacteristicTRANSPARENT
Base StyleMEDIUM SCREW
Bulb StyleE (ELIPTICAL)
Light Output Rating50000.000 LUMENS NOMINAL SINGLE RATING
Light Center Length5.750 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Wattage Rating400.000 WATTS
Rated Average LifeHOURS
Criticality Code JustificationFEAT
Bulb DesignatorE-18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4140-01-060-1438 INTERCHANGEABLE
Impeller,fan,axial
5307-01-139-96171-9-272 INTERCHANGEABLE
Stud
Foremost Industries Lp Div Industries Ltd
5950-01-219-6395 INTERCHANGEABLE
Transformer,current
5310-01-246-309819272 INTERCHANGEABLE
Nut
Briggs and Stratton Corp
8465-01-581-5578 INTERCHANGEABLE
Pads,tactical Protective,assault
6530-01-589-422944400 INTERCHANGEABLE
Light,floor
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
19272 General Electric Company Dba Ge (USA)
LU400/SBY PRIMARY Westron Corporation Dba Westron Lighting (USA)
C400S51/2 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
LU400/SBY PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
LU400S51/2 Lumenarc Inc (USA)
67539 Gte Products Corp Sylvania Miniature Lighting Div (USA)
LU400/SBY General Electric Company Dba Ge (USA)
Related Parts
4140-01-060-1438INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5307-01-139-9617INTERCHANGEABLE
STUD
1-9-272
5950-01-219-6395INTERCHANGEABLE
TRANSFORMER,CURRENT
5310-01-246-3098INTERCHANGEABLE
NUT
19272
8465-01-581-5578INTERCHANGEABLE
PADS,TACTICAL PROTECTIVE,ASSAULT
6530-01-589-4229INTERCHANGEABLE
LIGHT,FLOOR
44400

Frequently Asked Questions

What is NSN 6240-01-345-9536?

NSN 6240-01-345-9536 is a Lamp,sodium, manufactured by Westron Corporation Dba Westron Lighting, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-345-9536?

NSN 6240-01-345-9536 has 7 cross-referenced part numbers: 19272 (General Electric Company Dba Ge), LU400/SBY (Westron Corporation Dba Westron Lighting), C400S51/2 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), LU400/SBY (Gte Products Corp Sylvania Miniature Lighting Div), LU400S51/2 (Lumenarc Inc) and 2 more.

What NSN replaces 6240-01-345-9536?

There are 6 known substitutes for 6240-01-345-9536: 4140-01-060-1438, 5307-01-139-9617, 5950-01-219-6395 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LU400/SBY?

Key specifications for LU400/SBY: Special Features: ENERGY SAVING; Average Life Rating in Hours: 24000.0; Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: MEDIUM SCREW. 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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