PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LTX7231Lamp,incandescent

Lamptronix Co Ltd · NSN 6240-00-426-1958 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-426-1958 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-426-1958. Primary manufacturer part number: LTX7231.
Features
  • Lamp,incandescent — FSC 6240
  • 15 verified cross-references
  • Primary manufacturer: Lamptronix Co Ltd
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-426-1958, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamptronix Co Ltd. This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLamp,incandescent
FSC / FSG6240 — No Item Name Available (FSG 62)
ManufacturersMicro Networks Corporation (CAGE 03947); International Business Machines Corp (CAGE 11327); Industrial Electronic Engineers, Inc. (CAGE 05464); Oshino Lamps Ltd. (CAGE J5705); Lamptronix Co Ltd (CAGE 61342)
Technical Specifications
ParameterValue
NSN6240-00-426-1958
Primary Part NumberLTX7231
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamptronix Co Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-338-785914U1483PCDB7231 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
2990-00-356-1084T-3374 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5985-00-620-6441 INTERCHANGEABLE
Tester,load Bank
5950-00-754-6939 INTERCHANGEABLE
Core,electromagnetic Component
6240-00-955-9324 INTERCHANGEABLE
Lamp,incandescent
9160-00-980-4871556.044.018 INTERCHANGEABLE
Indicating Fluid,instrument
Alnor Instrument Company
5360-01-251-4677 INTERCHANGEABLE
Spring,slipper
6140-01-317-1541 INTERCHANGEABLE
Battery,storage
6550-01-360-56907231 INTERCHANGEABLE
Hematoxylin Stain
Richard-Allan Scientific Llc
5340-01-373-50717231 INTERCHANGEABLE
Standoff,threaded,spacing
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
071751-000-012 Micro Networks Corporation (USA)
3503096 International Business Machines Corp (USA)
7231 Industrial Electronic Engineers, Inc. (USA)
OL-3008 Oshino Lamps Ltd. (JPN)
LTX7231 PRIMARY Lamptronix Co Ltd (USA)
7231 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
84 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
PL7231 Precision Lamp Inc (USA)
7231 Shelly Associates Inc. (USA)
262-2204-110 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
CM7231 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
CM8-1103 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
LA84 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
7231 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
OL-3008 Oshino Lamps Ltd. (JPN)
Related Parts
3120-00-338-7859INTERCHANGEABLE
BEARING,SLEEVE
14U1483PCDB7231
2990-00-356-1084INTERCHANGEABLE
MUFFLER,EXHAUST
T-3374
5985-00-620-6441INTERCHANGEABLE
TESTER,LOAD BANK
5950-00-754-6939INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
6240-00-955-9324INTERCHANGEABLE
LAMP,INCANDESCENT
9160-00-980-4871INTERCHANGEABLE
INDICATING FLUID,INSTRUMENT
556.044.018
5360-01-251-4677INTERCHANGEABLE
SPRING,SLIPPER
6140-01-317-1541INTERCHANGEABLE
BATTERY,STORAGE
6550-01-360-5690INTERCHANGEABLE
HEMATOXYLIN STAIN
7231
5340-01-373-5071INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7231
5905-01-413-2824INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
102-224-5
4210-01-440-8428INTERCHANGEABLE
FOAM LIQUID,FIRE EXTINGUISHING
79372

Frequently Asked Questions

What is NSN 6240-00-426-1958?

NSN 6240-00-426-1958 is a Lamp,incandescent, manufactured by Lamptronix Co Ltd, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-426-1958?

NSN 6240-00-426-1958 has 15 cross-referenced part numbers: 071751-000-012 (Micro Networks Corporation), 3503096 (International Business Machines Corp), 7231 (Industrial Electronic Engineers, Inc.), OL-3008 (Oshino Lamps Ltd.), LTX7231 (Lamptronix Co Ltd) and 10 more.

What NSN replaces 6240-00-426-1958?

There are 12 known substitutes for 6240-00-426-1958: 3120-00-338-7859, 2990-00-356-1084, 5985-00-620-6441 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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