PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43057H1Switch,rotary

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 5930-00-549-0300 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-549-0300 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-549-0300. Primary manufacturer part number: 43057H1.
Features
  • Switch,rotary — FSC 5930
  • Style Designator: CIRCULAR WAFER, BUSHING MOUNT
  • Test Data Document: 76854-43057H1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
  • Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN
  • Terminal Type: TAB, SOLDER LUG
  • Thread Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Thread Series Designator: UNEF SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-549-0300, 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 Oak Grisgsby Div Electroswitch. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-549-0300
Primary Part Number43057H1
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Test Data Document76854-43057H1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Terminal TypeTAB, SOLDER LUG
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Throw Quantity2 SINGLE SECTION REAR
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Shaft Length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
Individual Section Quantity1
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Pole Quantity1 SINGLE SECTION REAR
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Nonturn Device Radius0.531 INCHES NOMINAL AT 10:00 OCLOCK IN
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Nonturn Device TypeTAB AT 10:00 OCLOCK
Thread Class2A SINGLE MOUNTING FACILITY A
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION FRONT
Shaft TypeROUND SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
Operating Temp Range-25.0 TO 85.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-021-1871143057 INTERCHANGEABLE
Plate
Telemechanics Inc
5970-00-617-7725 INTERCHANGEABLE
Insulator,plate
5950-00-647-740723587 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
5950-01-188-634113100962-1 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
4710-01-298-415243057 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
5365-01-373-609743057 INTERCHANGEABLE
Plug,machine Thread
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6625-01-481-8980430-57 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
Cross-Reference Index
Part NumberManufacturer
143057H1 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
143057 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
43057H1 PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
43057 PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
Related Parts
5815-00-021-1871INTERCHANGEABLE
PLATE
143057
5970-00-617-7725INTERCHANGEABLE
INSULATOR,PLATE
5950-00-647-7407INTERCHANGEABLE
TRANSFORMER,POWER
23587
5950-01-188-6341INTERCHANGEABLE
REACTOR
13100962-1
4710-01-298-4152INTERCHANGEABLE
TUBE ASSEMBLY,METAL
43057
5365-01-373-6097INTERCHANGEABLE
PLUG,MACHINE THREAD
43057
6625-01-481-8980INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
430-57

Frequently Asked Questions

What is NSN 5930-00-549-0300?

NSN 5930-00-549-0300 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-549-0300?

NSN 5930-00-549-0300 has 4 cross-referenced part numbers: 143057H1 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 143057 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 43057H1 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 43057 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).

What NSN replaces 5930-00-549-0300?

There are 7 known substitutes for 5930-00-549-0300: 5815-00-021-1871, 5970-00-617-7725, 5950-00-647-7407 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43057H1?

Key specifications for 43057H1: Style Designator: CIRCULAR WAFER, BUSHING MOUNT; Test Data Document: 76854-43057H1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL; Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY 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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