PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124912LFSwitch,rotary

Electro Switch Corp. Dba Electro Switch Corp · NSN 5930-00-758-6055 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-758-6055 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-758-6055. Primary manufacturer part number: 124912LF.
Features
  • Switch,rotary — FSC 5930
  • Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR
  • Contact Voltage Rating in Volts: 250.0 AC AT SEA LEVEL
  • Thread Quantity Per Inch: 20 SINGLE MOUNTING FACILITY
  • Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION FRONT
  • Shaft Length: 1.187 INCHES NOMINAL SINGLE ACTUATOR IN
  • Mounting Facility Circle Radius: 3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Thread Class: 2B SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-758-6055, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5930-00-758-6055
Primary Part Number124912LF
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Electro Switch Corp
StatusACTIVE
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL
Thread Quantity Per Inch20 SINGLE MOUNTING FACILITY
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Shaft Length1.187 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting Facility Circle Radius3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Style DesignatorTAP, CIRCUIT SELECTOR
Knob Manufacturer Part Number101605A A
Contact Load Current Rating25.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Mounting Facility PatternFOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY
Features ProvidedACTUATOR KNOB
Throw Quantity4 EACH SECTION FRONT
Terminal TypeSCREW
Pole Quantity1 EACH SECTION FRONT
Individual Section Quantity12
Shaft Diameter0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting MethodTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Knob Manufacturer Code82121
Shaft TypeROUND, HOLLOWED SINGLE ACTUATOR
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY IN
Hazardous Locations/environmental ProtectionDUSTPROOF
Longest Horizontal Distance Between Mounting Centers3.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-259-958182-345 INTERCHANGEABLE
Switch,toggle
Eaton Corp Opns & Technical Center
5306-00-825-1332 INTERCHANGEABLE
Bolt,machine
4930-00-827-597082345 INTERCHANGEABLE
Swivel,lubrication Line
Mcneil Ohio Corp
6105-00-970-907482345 INTERCHANGEABLE
Motor-Tachometer Generator
L3harris Technologies, Inc Div Space & Airborne Systems
6685-01-339-826182345 INTERCHANGEABLE
Indicator,temperature,electrical
Stewart-Warner Corporation
Cross-Reference Index
Part NumberManufacturer
124912LF PRIMARY Electro Switch Corp. Dba Electro Switch Corp (USA)
82345 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
Related Parts
5930-00-259-9581INTERCHANGEABLE
SWITCH,TOGGLE
82-345
5306-00-825-1332INTERCHANGEABLE
BOLT,MACHINE
4930-00-827-5970INTERCHANGEABLE
SWIVEL,LUBRICATION LINE
82345
6105-00-970-9074INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
82345
6685-01-339-8261INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
82345

Frequently Asked Questions

What is NSN 5930-00-758-6055?

NSN 5930-00-758-6055 is a Switch,rotary, 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 5930-00-758-6055?

NSN 5930-00-758-6055 has 2 cross-referenced part numbers: 124912LF (Electro Switch Corp. Dba Electro Switch Corp), 82345 (Cooper Industries Inc Cooper Distribution Equipment Div).

What NSN replaces 5930-00-758-6055?

There are 5 known substitutes for 5930-00-758-6055: 5930-00-259-9581, 5306-00-825-1332, 4930-00-827-5970 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124912LF?

Key specifications for 124912LF: Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR; Contact Voltage Rating in Volts: 250.0 AC AT SEA LEVEL; Thread Quantity Per Inch: 20 SINGLE MOUNTING FACILITY; Overall Length: 7.375 INCHES NOMINAL IN. 29 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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