PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3424Switch,thermostatic

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5930-00-001-3184 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-001-3184 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-001-3184. Primary manufacturer part number: B3424.
Features
  • Switch,thermostatic — FSC 5930
  • Capillary Tube Length: 96.0 INCHES NOMINAL IN
  • Bulb Length: 1.500 INCHES NOMINAL IN
  • Mounting Facility Pattern: THREE POSITION CIRCULAR
  • Terminal Type: WIRE LEAD
  • Style Designator: CYLINDRICAL
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • Bulb Diameter: 0.320 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-001-3184, 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 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-001-3184
Primary Part NumberB3424
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Capillary Tube Length96.0 INCHES NOMINAL IN
Bulb Length1.500 INCHES NOMINAL IN
Mounting Facility PatternTHREE POSITION CIRCULAR
Terminal TypeWIRE LEAD
Style DesignatorCYLINDRICAL
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Bulb Diameter0.320 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Overall Diameter3.125 INCHES NOMINAL IN
Media for Which DesignedGAS OR LIQUID
Contact Action StimulusINCREASE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE, PRESET
Contact Stimulus Rating235.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 99.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Adjustment TypeEXTERNAL ACTUATION POINT POINTER
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Adjustment Range+100.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Mounting MethodBASE
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL SECOND VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-561-0938B-3424-D INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
4820-01-277-9116B3424 INTERCHANGEABLE
Adjusting Screw,valve
Dante Valve Company
3020-01-363-2573B-3424 INTERCHANGEABLE
Pulley,groove
Palfinger Marine Usa, Llc
5945-01-431-3718 INTERCHANGEABLE
Solenoid,electrical
4820-01-545-1759 INTERCHANGEABLE
Adjusting Screw,spe
Cross-Reference Index
Part NumberManufacturer
10-35-310 Enovation Controls Llc (USA)
25ESR961NCAP250F Enovation Controls Llc (USA)
B3424 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
25ESR-250X8 Enovation Controls Llc (USA)
Related Parts
3110-00-561-0938INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-3424-D
4820-01-277-9116INTERCHANGEABLE
ADJUSTING SCREW,VALVE
B3424
3020-01-363-2573INTERCHANGEABLE
PULLEY,GROOVE
B-3424
5945-01-431-3718INTERCHANGEABLE
SOLENOID,ELECTRICAL
4820-01-545-1759INTERCHANGEABLE
ADJUSTING SCREW,SPE

Frequently Asked Questions

What is NSN 5930-00-001-3184?

NSN 5930-00-001-3184 is a Switch,thermostatic, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-001-3184?

NSN 5930-00-001-3184 has 4 cross-referenced part numbers: 10-35-310 (Enovation Controls Llc), 25ESR961NCAP250F (Enovation Controls Llc), B3424 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 25ESR-250X8 (Enovation Controls Llc).

What NSN replaces 5930-00-001-3184?

There are 5 known substitutes for 5930-00-001-3184: 3110-00-561-0938, 4820-01-277-9116, 3020-01-363-2573 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B3424?

Key specifications for B3424: Capillary Tube Length: 96.0 INCHES NOMINAL IN; Bulb Length: 1.500 INCHES NOMINAL IN; Mounting Facility Pattern: THREE POSITION CIRCULAR; Terminal Type: WIRE LEAD. 21 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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