PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-200-3Switch,thermostatic

Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems · NSN 5930-00-989-4727 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-989-4727 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-989-4727. Primary manufacturer part number: 20-200-3.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Adjustability: ACTUATION POINT ADJUSTABLE
  • Thread Quantity Per Inch: 14 SINGLE THREADED BUSHING
  • Thread Series Designator: UNS SINGLE THREADED BUSHING
  • Contact Adjustment Range: +100.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT
  • Temp Sensing Element Type: CAPILLARY TUBE-BULB
  • Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED
  • Nominal Thread Size: 0.500 INCHES SINGLE THREADED BUSHING IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-989-4727, 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 Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-989-4727
Primary Part Number20-200-3
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerKidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
StatusCANCELLED
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Thread Series DesignatorUNS SINGLE THREADED BUSHING
Contact Adjustment Range+100.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT
Temp Sensing Element TypeCAPILLARY TUBE-BULB
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING IN
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Mounting MethodTHREADED BUSHING
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL SINGLE VOLTAGE
Terminal TypeSOLDER STUD
Bulb Diameter0.625 INCHES NOMINAL IN
Thread Length0.625 INCHES NOMINAL SINGLE THREADED BUSHING IN
Capillary Tube Length2.656 INCHES NOMINAL IN
Features ProvidedTUBING END SEAL CONNECTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5961-00-007-41201901-0638 INTERCHANGEABLE
Rectifier,semiconductor Device
Avago Technologies Us Inc Div Avago Technologies
4920-00-025-3079 INTERCHANGEABLE
Thrust Trailer Asse
5935-00-261-75982041-6204-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
1660-00-567-6998202003 INTERCHANGEABLE
Sleeve,bearing Prel
Honeywell International Inc. Div Aerospace - Torrance
5325-00-663-2412 INTERCHANGEABLE
Ring,retaining
4320-01-022-8930CFSP-40997 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Defense Maritime Solutions, Inc.
5975-01-129-4935202003 INTERCHANGEABLE
Strip Supp Center
North Atlantic Industries, Inc. Dba North Atlantic Industries
4820-01-262-31372-02003 INTERCHANGEABLE
Valve,safety Relief
Trinity Tool Co Div Trinco Trinity Tool Company
2815-01-342-68204933355 INTERCHANGEABLE
Flywheel,engine
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
DMS 90012B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
20-200-3 PRIMARY Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
B52-1124 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
70-202003-001 Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
Related Parts
5961-00-007-4120INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
1901-0638
4920-00-025-3079INTERCHANGEABLE
THRUST TRAILER ASSE
5935-00-261-7598INTERCHANGEABLE
ADAPTER,CONNECTOR
2041-6204-00
1660-00-567-6998INTERCHANGEABLE
SLEEVE,BEARING PREL
202003
5325-00-663-2412INTERCHANGEABLE
RING,RETAINING
4320-01-022-8930INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
CFSP-40997
5975-01-129-4935INTERCHANGEABLE
STRIP SUPP CENTER
202003
4820-01-262-3137INTERCHANGEABLE
VALVE,SAFETY RELIEF
2-02003
2815-01-342-6820INTERCHANGEABLE
FLYWHEEL,ENGINE
4933355

Frequently Asked Questions

What is NSN 5930-00-989-4727?

NSN 5930-00-989-4727 is a Switch,thermostatic, manufactured by Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-989-4727?

NSN 5930-00-989-4727 has 4 cross-referenced part numbers: DMS 90012B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 20-200-3 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems), B52-1124 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 70-202003-001 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).

What NSN replaces 5930-00-989-4727?

There are 9 known substitutes for 5930-00-989-4727: 5961-00-007-4120, 4920-00-025-3079, 5935-00-261-7598 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-200-3?

Key specifications for 20-200-3: Contact Adjustability: ACTUATION POINT ADJUSTABLE; Thread Quantity Per Inch: 14 SINGLE THREADED BUSHING; Thread Series Designator: UNS SINGLE THREADED BUSHING; Contact Adjustment Range: +100.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-989-4727 still in active supply?

NSN 5930-00-989-4727 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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