PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577B43-3Switch,thermostatic

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5930-00-876-9358 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-876-9358 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-876-9358. Primary manufacturer part number: 577B43-3.
Features
  • Switch,thermostatic — FSC 5930
  • Body Height: 0.305 INCHES NOMINAL IN
  • Style Designator: DISC W/FLANGE
  • Terminal Type: TAB, SOLDER LUG
  • Distance Between Mounting Facility Centers: 0.438 INCHES NOMINAL IN
  • Contact Voltage Rating in Volts: 125.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Body Diameter: 0.660 INCHES NOMINAL IN
  • Mounting Facility Pattern: TWO POSITION IN-LINE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-876-9358, 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 Cardwell Condenser Corp Lapointe-Admiral Div. Government technical data includes 17 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-876-9358
Primary Part Number577B43-3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusACTIVE
Body Height0.305 INCHES NOMINAL IN
Style DesignatorDISC W/FLANGE
Terminal TypeTAB, SOLDER LUG
Distance Between Mounting Facility Centers0.438 INCHES NOMINAL IN
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SINGLE VOLTAGE
Body Diameter0.660 INCHES NOMINAL IN
Mounting Facility PatternTWO POSITION IN-LINE
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Contact Load Current Rating1.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Operating Temp Rating-40.0 FAHRENHEIT MINIMUM AND 190.0 FAHRENHEIT MAXIMUM DEGF
Temp Sensing Element TypeINTERNAL SENSOR
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Media for Which DesignedGAS OR LIQUID
Contact Stimulus Rating59.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 70.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 11.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS
Contact Action StimulusDECREASE
Unthreaded Mounting Hole Diameter0.147 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2510-00-425-9395 INTERCHANGEABLE
Shackle Assembly,sp
5360-00-664-3959A446 INTERCHANGEABLE
Spring,helical,compression
Aerocontrolex Group, Inc. Div Talley Actuators
5945-00-820-6373 INTERCHANGEABLE
Solenoid,electrical
4820-01-619-9822A446 INTERCHANGEABLE
Valve,check
Industrial Specialties Mfg Inc
Cross-Reference Index
Part NumberManufacturer
A-446 Essex Group Inc Controls Div Lexington Plant
577B43-3 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
Related Parts
2510-00-425-9395INTERCHANGEABLE
SHACKLE ASSEMBLY,SP
5360-00-664-3959INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A446
5945-00-820-6373INTERCHANGEABLE
SOLENOID,ELECTRICAL
4820-01-619-9822INTERCHANGEABLE
VALVE,CHECK
A446

Frequently Asked Questions

What is NSN 5930-00-876-9358?

NSN 5930-00-876-9358 is a Switch,thermostatic, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-876-9358?

NSN 5930-00-876-9358 has 2 cross-referenced part numbers: A-446 (Essex Group Inc Controls Div Lexington Plant), 577B43-3 (Cardwell Condenser Corp Lapointe-Admiral Div).

What NSN replaces 5930-00-876-9358?

There are 4 known substitutes for 5930-00-876-9358: 2510-00-425-9395, 5360-00-664-3959, 5945-00-820-6373 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 577B43-3?

Key specifications for 577B43-3: Body Height: 0.305 INCHES NOMINAL IN; Style Designator: DISC W/FLANGE; Overall Length: 0.844 INCHES NOMINAL IN; Terminal Type: TAB, SOLDER LUG. 19 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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