PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577B39Switch,thermostatic

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5930-00-683-2707 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-683-2707 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-683-2707. Primary manufacturer part number: 577B39.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Stimulus Rating: 198.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 170.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Media for Which Designed: GAS OR LIQUID
  • Style Designator: DISC W/FLANGE
  • Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL SINGLE VOLTAGE
  • Distance Between Mounting Facility Centers: 0.937 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-683-2707, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-683-2707
Primary Part Number577B39
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusCANCELLED
Contact Stimulus Rating198.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 170.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Temp Sensing Element TypeINTERNAL SENSOR
Mounting Facility PatternTWO POSITION IN-LINE
Media for Which DesignedGAS OR LIQUID
Style DesignatorDISC W/FLANGE
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Distance Between Mounting Facility Centers0.937 INCHES NOMINAL IN
Features ProvidedTAMPER PROOF CAP
Body Height0.305 INCHES NOMINAL IN
Body Diameter0.660 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Action StimulusINCREASE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL IN
Terminal TypeTAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2920-00-033-5081IAU1016A INTERCHANGEABLE
Rotor,ignition Distributor
Prestolite Electric Inc
5330-00-101-7613210085-2 INTERCHANGEABLE
Ring,wiper
Mobile Drilling Company Inc Dba Foremost-Mobile
5999-00-164-0718176MAW1 INTERCHANGEABLE
Contact,electrical
Linde Material Handling North America Corporation
5895-00-406-7671A302 INTERCHANGEABLE
Selector,control
Lockheed Martin Corp
6630-01-086-41062INX1/2DIA INTERCHANGEABLE
Vial,general Purpose
Lusteroid Div of Thermoplastic Processes Inc
4320-01-190-9350A302 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
6625-01-289-7052A-302 INTERCHANGEABLE
Pressure Tips
Dwyer Instruments Inc
4910-01-306-4564A203 INTERCHANGEABLE
Separator,tie Rod
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
577B39 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
A-302 Essex Group Inc Controls Div Lexington Plant
Related Parts
2920-00-033-5081INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
IAU1016A
5330-00-101-7613INTERCHANGEABLE
RING,WIPER
210085-2
5999-00-164-0718INTERCHANGEABLE
CONTACT,ELECTRICAL
176MAW1
5895-00-406-7671INTERCHANGEABLE
SELECTOR,CONTROL
A302
6630-01-086-4106INTERCHANGEABLE
VIAL,GENERAL PURPOSE
2INX1/2DIA
4320-01-190-9350INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A302
6625-01-289-7052INTERCHANGEABLE
PRESSURE TIPS
A-302
4910-01-306-4564INTERCHANGEABLE
SEPARATOR,TIE ROD
A203

Frequently Asked Questions

What is NSN 5930-00-683-2707?

NSN 5930-00-683-2707 is a Switch,thermostatic, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-683-2707?

NSN 5930-00-683-2707 has 2 cross-referenced part numbers: 577B39 (Cardwell Condenser Corp Lapointe-Admiral Div), A-302 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-00-683-2707?

There are 8 known substitutes for 5930-00-683-2707: 2920-00-033-5081, 5330-00-101-7613, 5999-00-164-0718 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 577B39?

Key specifications for 577B39: Contact Stimulus Rating: 198.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 170.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Temp Sensing Element Type: INTERNAL SENSOR; Mounting Facility Pattern: TWO POSITION IN-LINE; Media for Which Designed: GAS OR LIQUID. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-683-2707 still in active supply?

NSN 5930-00-683-2707 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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