PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58A5A301-1Switch,thermostatic

Naval Air Warfare Center Aircraft Div · NSN 5930-00-543-8977 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-543-8977 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-543-8977. Primary manufacturer part number: 58A5A301-1.
Features
  • Switch,thermostatic — FSC 5930
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Terminal Type: TAB, SOLDER LUG
  • Contact Action Stimulus: INCREASE
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SECOND VOLTAGE
  • Contact Adjustment Range: +170.00 TO 180.00 ACTUATION POINT DEGREES FAHRENHEIT AND +170.00 TO 180.00 DEACTUATION POINT DEGREES FAHRENHEIT
  • Contact Adjustability: DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
  • Contact Load Current Rating: 5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-543-8977, 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 Naval Air Warfare Center Aircraft Div. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-543-8977
Primary Part Number58A5A301-1
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Div
StatusACTIVE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Terminal TypeTAB, SOLDER LUG
Contact Action StimulusINCREASE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Adjustment Range+170.00 TO 180.00 ACTUATION POINT DEGREES FAHRENHEIT AND +170.00 TO 180.00 DEACTUATION POINT DEGREES FAHRENHEIT
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL THIRD VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Unthreaded Mounting Hole Diameter0.102 INCHES NOMINAL IN
Contact Adjustment TypeINTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT SCREW
Distance Between Mounting Facility Centers0.840 INCHES NOMINAL IN
Contact Voltage Rating in Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Body Length0.766 INCHES NOMINAL IN
Temp Sensing Element TypeINTERNAL SENSOR
Media for Which DesignedGAS
Style DesignatorRECTANGULAR
Mounting Facility PatternTWO POSITION IN-LINE
Operating Temp Rating-20.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF
Contact Stimulus Rating175.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 135.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-074-883432904LF INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
3110-00-156-5319050-7747 INTERCHANGEABLE
Bearing,ball,annular
Marathon Le Tourneau Co
6680-01-621-5378M184 INTERCHANGEABLE
Pickup,magnetic,motion Measuring
Dynalco Controls Corporation
Cross-Reference Index
Part NumberManufacturer
M184 Essex Group Inc Controls Div Lexington Plant
M205EX1451 Essex Group Inc Controls Div Lexington Plant
58A5A301-1 PRIMARY Naval Air Warfare Center Aircraft Div (USA)
Related Parts
5930-00-074-8834INTERCHANGEABLE
SWITCH,ROTARY
32904LF
3110-00-156-5319INTERCHANGEABLE
BEARING,BALL,ANNULAR
050-7747
6680-01-621-5378INTERCHANGEABLE
PICKUP,MAGNETIC,MOTION MEASURING
M184

Frequently Asked Questions

What is NSN 5930-00-543-8977?

NSN 5930-00-543-8977 is a Switch,thermostatic, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-543-8977?

NSN 5930-00-543-8977 has 3 cross-referenced part numbers: M184 (Essex Group Inc Controls Div Lexington Plant), M205EX1451 (Essex Group Inc Controls Div Lexington Plant), 58A5A301-1 (Naval Air Warfare Center Aircraft Div).

What NSN replaces 5930-00-543-8977?

There are 3 known substitutes for 5930-00-543-8977: 5930-00-074-8834, 3110-00-156-5319, 6680-01-621-5378. Verify interchangeability with system specifications before substitution.

What are the specifications of 58A5A301-1?

Key specifications for 58A5A301-1: Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Terminal Type: TAB, SOLDER LUG; Contact Action Stimulus: INCREASE; Overall Height: 0.344 INCHES NOMINAL IN. 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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