PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LTX12ALamp,incandescent

Lamptronix Co Ltd · NSN 6240-00-740-8901 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-740-8901 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-740-8901. Primary manufacturer part number: LTX12A.
Features
  • Lamp,incandescent — FSC 6240
  • 4 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 6240-00-740-8901, 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 4 commercial cross-references from 4 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)
ManufacturersLamptronix Co Ltd (CAGE 61342); American National Standards Institute Incorporated Dba American National Standards Institute (CAGE 80204); Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (CAGE 71744); Gte Products Corp Lighting Products Group (CAGE 58854)
Technical Specifications
ParameterValue
NSN6240-00-740-8901
Primary Part NumberLTX12A
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamptronix Co Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-155-8002SMB528673 INTERCHANGEABLE
Lamp,incandescent
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6240-00-269-0970 INTERCHANGEABLE
Lamp,incandescent
5120-00-277-1241 INTERCHANGEABLE
Wrench,open End
5935-00-283-289712A INTERCHANGEABLE
Jack,telephone
Switchcraft Inc.
6240-00-426-1972 INTERCHANGEABLE
Lamp,incandescent
4320-00-465-108712020790H INTERCHANGEABLE
Impeller,key
Grundfos Cbs, Inc Dba Paco Pumps
6210-00-497-2125 INTERCHANGEABLE
Filter,indicator Light
6740-00-499-015512A INTERCHANGEABLE
Spring Counterbalance
Pullman Mfg. Corporation
6240-00-539-9770 INTERCHANGEABLE
Lamp,incandescent
6240-00-715-10392450-00032 INTERCHANGEABLE
Lamp,incandescent
W. & O. Supply, Inc. Dba Emi Div Emi
Cross-Reference Index
Part NumberManufacturer
LTX12A Lamptronix Co Ltd (USA)
C78-393 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
12A3 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
12A Gte Products Corp Lighting Products Group (USA)
Related Parts
6240-00-155-8002INTERCHANGEABLE
LAMP,INCANDESCENT
SMB528673
6240-00-269-0970INTERCHANGEABLE
LAMP,INCANDESCENT
5120-00-277-1241INTERCHANGEABLE
WRENCH,OPEN END
5935-00-283-2897INTERCHANGEABLE
JACK,TELEPHONE
12A
6240-00-426-1972INTERCHANGEABLE
LAMP,INCANDESCENT
4320-00-465-1087INTERCHANGEABLE
IMPELLER,KEY
12020790H
6210-00-497-2125INTERCHANGEABLE
FILTER,INDICATOR LIGHT
6740-00-499-0155INTERCHANGEABLE
SPRING COUNTERBALANCE
12A
6240-00-539-9770INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-715-1039INTERCHANGEABLE
LAMP,INCANDESCENT
2450-00032
6240-00-715-1040INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-715-1046INTERCHANGEABLE
LAMP,INCANDESCENT
6C3

Frequently Asked Questions

What is NSN 6240-00-740-8901?

NSN 6240-00-740-8901 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 6240-00-740-8901?

NSN 6240-00-740-8901 has 4 cross-referenced part numbers: LTX12A (Lamptronix Co Ltd), C78-393 (American National Standards Institute Incorporated Dba American National Standards Institute), 12A3 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 12A (Gte Products Corp Lighting Products Group).

What NSN replaces 6240-00-740-8901?

There are 12 known substitutes for 6240-00-740-8901: 6240-00-155-8002, 6240-00-269-0970, 5120-00-277-1241 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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