PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A126K12KZG-M8Switch,toggle

Electro Switch Corp. Dba Electro Switch Corp · NSN 5930-01-346-1677 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-346-1677 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-346-1677. Primary manufacturer part number: A126K12KZG-M8.
Features
  • Switch,toggle — FSC 5930
  • Body Length: 0.510 INCHES MAXIMUM IN
  • Body Style: BUSHING MOUNT
  • Test Data Document: 81349-MIL-S-83731 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Contact Load Current Rating at Maximum Rated Voltage: 5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES LAMP DC AND 5.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 1.000 AMPERES LAMP AC
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Thread Series Designator: UNS
  • Specification/standard Data: 81349-MIL-S-83731/11 GOVERNMENT SPECIFICATION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,toggle, cataloged under National Stock Number 5930-01-346-1677, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electro Switch Corp. Dba Electro Switch Corp. Government technical data includes 23 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-346-1677
Primary Part NumberA126K12KZG-M8
Item NameSwitch,toggle
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Electro Switch Corp
StatusACTIVE
Body Length0.510 INCHES MAXIMUM IN
Body StyleBUSHING MOUNT
Test Data Document81349-MIL-S-83731 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Contact Load Current Rating at Maximum Rated Voltage5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES LAMP DC AND 5.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 1.000 AMPERES LAMP AC
Terminal Type and Quantity3 TAB, SOLDER LUG
Thread Series DesignatorUNS
Specification/standard Data81349-MIL-S-83731/11 GOVERNMENT SPECIFICATION
Body Width0.275 INCHES MAXIMUM IN
Actuator StyleROUND
Actuator Height0.604 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN
Actuator Position-Action RelationshipUP POSITION MOMENTARY AND DOWN POSITION MAINTAINED
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED BUSHING
Maximum Voltage Rating in Volts28.0 DC AND 125.0 AC
Nominal Thread Size0.250 INCHES IN
Actuator Diameter0.218 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Bushing Length0.390 INCHES MAXIMUM IN
Precious Material and LocationCONTACTS SILVER
Hazardous Locations/environmental ProtectionDUSTPROOF
Body Height0.440 INCHES MAXIMUM IN
Thread Class2B
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-01-161-4506 INTERCHANGEABLE
Switch,toggle
5930-01-199-2547A121K12KZG-M8 INTERCHANGEABLE
Switch,toggle
Electro Switch Corp Div Electroswitch
5930-01-233-4112 INTERCHANGEABLE
Switch,toggle
5930-01-248-5672 INTERCHANGEABLE
Switch,toggle
5930-01-265-7790 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
M83731/11-761 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-83731/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A126K12KZG-M8 PRIMARY Electro Switch Corp. Dba Electro Switch Corp (USA)
Related Parts
5930-01-161-4506INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-199-2547INTERCHANGEABLE
SWITCH,TOGGLE
A121K12KZG-M8
5930-01-233-4112INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-248-5672INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-265-7790INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5930-01-346-1677?

NSN 5930-01-346-1677 is a Switch,toggle, manufactured by Electro Switch Corp. Dba Electro Switch Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-346-1677?

NSN 5930-01-346-1677 has 3 cross-referenced part numbers: M83731/11-761 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-83731/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A126K12KZG-M8 (Electro Switch Corp. Dba Electro Switch Corp).

What NSN replaces 5930-01-346-1677?

There are 5 known substitutes for 5930-01-346-1677: 5930-01-161-4506, 5930-01-199-2547, 5930-01-233-4112 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A126K12KZG-M8?

Key specifications for A126K12KZG-M8: Body Length: 0.510 INCHES MAXIMUM IN; Body Style: BUSHING MOUNT; Test Data Document: 81349-MIL-S-83731 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Contact Load Current Rating at Maximum Rated Voltage: 5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES LAMP DC AND 5.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 1.000 AMPERES LAMP AC. 26 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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