PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A121K12KZG-M8Switch,toggle

Electro Switch Corp Div Electroswitch · NSN 5930-01-199-2547 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-199-2547 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-199-2547. Primary manufacturer part number: A121K12KZG-M8.
Features
  • Switch,toggle — FSC 5930
  • Mounting Method: THREADED BUSHING
  • Thread Quantity Per Inch: 40
  • Actuator Diameter: 0.218 INCHES MAXIMUM IN
  • Actuator Style: ROUND
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • 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
  • 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 5930-01-199-2547, 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 Div Electroswitch. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-01-199-2547
Primary Part NumberA121K12KZG-M8
Item NameSwitch,toggle
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp Div Electroswitch
StatusCANCELLED
Mounting MethodTHREADED BUSHING
Thread Quantity Per Inch40
Actuator Diameter0.218 INCHES MAXIMUM IN
Actuator StyleROUND
Terminal Type and Quantity3 TAB, SOLDER LUG
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
Specification/standard Data81349-MIL-S-83731/11 GOVERNMENT SPECIFICATION
Actuator Height0.660 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED SINGLE SWITCH UNIT
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.).
Inclosure TypeFULLY INCLOSED
Maximum Voltage Rating in Volts125.0 AC AND 28.0 DC
Body Height0.440 INCHES MAXIMUM IN
Precious Material and LocationCONTACTS AND TERMINAL SURFACES GOLD OR CONTACTS AND TERMINALS SILVER
Bushing Length0.390 INCHES MAXIMUM IN
Actuator Position-Locking RelationshipUP POSITION LOCKED IN AND DOWN POSITION LOCKED IN AND CENTER POSITION LOCKED IN
Thread Series DesignatorUNS
Body Width0.275 INCHES MAXIMUM IN
Body StyleBUSHING MOUNT
Actuator Position-Action RelationshipUP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED
Body Length0.510 INCHES MAXIMUM IN
Mounting Surface to Terminal End Distance0.600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6110-01-007-7338 INTERCHANGEABLE
Motor Starter,manua
5930-01-120-122422721-6200-2 INTERCHANGEABLE
Switch,toggle
Frequency Electronics Inc
5930-01-161-4506 INTERCHANGEABLE
Switch,toggle
5930-01-233-4112 INTERCHANGEABLE
Switch,toggle
5930-01-248-5672 INTERCHANGEABLE
Switch,toggle
5930-01-265-7790 INTERCHANGEABLE
Switch,toggle
5930-01-346-1677A126K12KZG-M8 INTERCHANGEABLE
Switch,toggle
Electro Switch Corp. Dba Electro Switch Corp
5930-01-362-7950 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
7103K1YZG C and K Components Inc (USA)
M83731/11-711 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1064681-2 Raytheon Company Dba Raytheon Co (USA)
A121K12KZG-M8 PRIMARY Electro Switch Corp Div Electroswitch (USA)
LL-121 Safran Power Usa, Llc (USA)
8E1021 Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
MIL-S-83731/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SK2831860 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
Related Parts
6110-01-007-7338INTERCHANGEABLE
MOTOR STARTER,MANUA
5930-01-120-1224INTERCHANGEABLE
SWITCH,TOGGLE
22721-6200-2
5930-01-161-4506INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-233-4112INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-248-5672INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-265-7790INTERCHANGEABLE
SWITCH,TOGGLE
5930-01-346-1677INTERCHANGEABLE
SWITCH,TOGGLE
A126K12KZG-M8
5930-01-362-7950INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5930-01-199-2547?

NSN 5930-01-199-2547 is a Switch,toggle, manufactured by Electro Switch Corp Div Electroswitch, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-01-199-2547?

NSN 5930-01-199-2547 has 8 cross-referenced part numbers: 7103K1YZG (C and K Components Inc), M83731/11-711 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1064681-2 (Raytheon Company Dba Raytheon Co), A121K12KZG-M8 (Electro Switch Corp Div Electroswitch), LL-121 (Safran Power Usa, Llc) and 3 more.

What NSN replaces 5930-01-199-2547?

There are 8 known substitutes for 5930-01-199-2547: 6110-01-007-7338, 5930-01-120-1224, 5930-01-161-4506 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A121K12KZG-M8?

Key specifications for A121K12KZG-M8: Mounting Method: THREADED BUSHING; Thread Quantity Per Inch: 40; Actuator Diameter: 0.218 INCHES MAXIMUM IN; Actuator Style: ROUND. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-01-199-2547 still in active supply?

NSN 5930-01-199-2547 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com