PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-205Switch,thermostatic

Essex Group Inc Controls Div Lexington Plant · NSN 5930-00-548-8934 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-548-8934 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-548-8934. Primary manufacturer part number: M-205.
Features
  • Switch,thermostatic — FSC 5930
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S)
  • Body Length: 0.765 INCHES NOMINAL IN
  • Temp Sensing Element Type: INTERNAL SENSOR
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Media for Which Designed: GAS OR LIQUID
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-548-8934, 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 Essex Group Inc Controls Div Lexington Plant. Government technical data includes 16 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: Active.

Technical Specifications
ParameterValue
NSN5930-00-548-8934
Primary Part NumberM-205
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerEssex Group Inc Controls Div Lexington Plant
StatusACTIVE
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Body Length0.765 INCHES NOMINAL IN
Temp Sensing Element TypeINTERNAL SENSOR
Mounting Facility PatternTWO POSITION IN-LINE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Media for Which DesignedGAS OR LIQUID
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Contact Stimulus Rating57.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 37.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL SINGLE VOLTAGE
Distance Between Mounting Facility Centers0.375 INCHES NOMINAL IN
Contact Action StimulusINCREASE
Style DesignatorRECTANGULAR
Features ProvidedHERMETICALLY SEALED CASE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Unthreaded Mounting Hole Diameter0.096 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-3891385-383A INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5998-00-152-8113M205-00 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
3455-00-293-0512 INTERCHANGEABLE
Cutter,milling,metal Slitting
5305-00-423-95925B425 INTERCHANGEABLE
Screw,machine
Caterpillar Inc Div Caterpillar Defense
5930-00-539-7147011-7021 INTERCHANGEABLE
Switch,thermostatic
Contraves Inc
3110-00-554-3250102668-624 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5985-01-205-20451064AS198 INTERCHANGEABLE
Diplexer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6695-01-486-3890M205 INTERCHANGEABLE
Transducer,motional Pickup
Dynalco Controls Corporation
Cross-Reference Index
Part NumberManufacturer
M-205 Essex Group Inc Controls Div Lexington Plant
214-01-05-2 Recon/optical, Inc. (USA)
Related Parts
3110-00-100-3891INTERCHANGEABLE
BEARING,ROLLER,TAPERED
385-383A
5998-00-152-8113INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M205-00
3455-00-293-0512INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
5305-00-423-9592INTERCHANGEABLE
SCREW,MACHINE
5B425
5930-00-539-7147INTERCHANGEABLE
SWITCH,THERMOSTATIC
011-7021
3110-00-554-3250INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-624
5985-01-205-2045INTERCHANGEABLE
DIPLEXER
1064AS198
6695-01-486-3890INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
M205

Frequently Asked Questions

What is NSN 5930-00-548-8934?

NSN 5930-00-548-8934 is a Switch,thermostatic, manufactured by Essex Group Inc Controls Div Lexington Plant, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-548-8934?

NSN 5930-00-548-8934 has 2 cross-referenced part numbers: M-205 (Essex Group Inc Controls Div Lexington Plant), 214-01-05-2 (Recon/optical, Inc.).

What NSN replaces 5930-00-548-8934?

There are 8 known substitutes for 5930-00-548-8934: 3110-00-100-3891, 5998-00-152-8113, 3455-00-293-0512 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-205?

Key specifications for M-205: Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S); Overall Height: 0.345 INCHES MAXIMUM IN; Body Length: 0.765 INCHES NOMINAL IN; Temp Sensing Element Type: INTERNAL SENSOR. 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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