PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577B43Switch,thermostatic

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5930-00-250-9605 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-250-9605 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-250-9605. Primary manufacturer part number: 577B43.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 190.0 FAHRENHEIT MAXIMUM DEGF
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Body Height: 0.305 INCHES NOMINAL IN
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S)
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-250-9605, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-250-9605
Primary Part Number577B43
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusACTIVE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Mounting Facility PatternTWO POSITION IN-LINE
Temp Sensing Element TypeINTERNAL SENSOR
Operating Temp Rating-40.0 FAHRENHEIT MINIMUM AND 190.0 FAHRENHEIT MAXIMUM DEGF
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Body Height0.305 INCHES NOMINAL IN
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Media for Which DesignedGAS
Style DesignatorDISC W/FLANGE
Contact Load Current Rating1.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE
Distance Between Mounting Facility Centers0.438 INCHES NOMINAL IN
Contact Action StimulusDECREASE
Unthreaded Mounting Hole Diameter0.147 INCHES NOMINAL IN
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Stimulus Rating20.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 50.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Body Diameter0.660 INCHES NOMINAL IN
Terminal TypeTAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5315-00-087-0909A3-35 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5325-00-171-67951201-335-23C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5365-00-202-9373A335 INTERCHANGEABLE
Plug,machine Thread
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
4730-00-254-62110716-MM5-BB02 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
4710-00-269-0192 INTERCHANGEABLE
Pipe,metallic
4710-00-281-1459 INTERCHANGEABLE
Pipe,metallic
5895-00-402-2519A335 INTERCHANGEABLE
Converter,signal Data
Lockheed Martin Corp
4710-00-849-9870 INTERCHANGEABLE
Pipe,metallic
6130-00-851-2767P6-300 INTERCHANGEABLE
Power Supply
Ohio Semitronics Inc
Cross-Reference Index
Part NumberManufacturer
577B43 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
A-335 Essex Group Inc Controls Div Lexington Plant
Related Parts
5315-00-087-0909INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A3-35
5325-00-171-6795INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-335-23C
5365-00-202-9373INTERCHANGEABLE
PLUG,MACHINE THREAD
A335
4730-00-254-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB02
4710-00-269-0192INTERCHANGEABLE
PIPE,METALLIC
4710-00-281-1459INTERCHANGEABLE
PIPE,METALLIC
5895-00-402-2519INTERCHANGEABLE
CONVERTER,SIGNAL DATA
A335
4710-00-849-9870INTERCHANGEABLE
PIPE,METALLIC
6130-00-851-2767INTERCHANGEABLE
POWER SUPPLY
P6-300

Frequently Asked Questions

What is NSN 5930-00-250-9605?

NSN 5930-00-250-9605 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 5930-00-250-9605?

NSN 5930-00-250-9605 has 2 cross-referenced part numbers: 577B43 (Cardwell Condenser Corp Lapointe-Admiral Div), A-335 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-00-250-9605?

There are 9 known substitutes for 5930-00-250-9605: 5315-00-087-0909, 5325-00-171-6795, 5365-00-202-9373 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 577B43?

Key specifications for 577B43: Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE; Mounting Facility Pattern: TWO POSITION IN-LINE; Temp Sensing Element Type: INTERNAL SENSOR; Operating Temp Rating: -40.0 FAHRENHEIT MINIMUM AND 190.0 FAHRENHEIT MAXIMUM DEGF. 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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