PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18003-7Switch,thermostatic

Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems · NSN 5930-00-051-3435 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-051-3435 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-051-3435. Primary manufacturer part number: 18003-7.
Features
  • Switch,thermostatic — FSC 5930
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SECOND VOLTAGE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL THIRD VOLTAGE
  • Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED BUSHING IN
  • Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
  • Media for Which Designed: GAS OR LIQUID
  • Style Designator: CYLINDRICAL W/FLANGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-051-3435, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-051-3435
Primary Part Number18003-7
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerKidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
StatusACTIVE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SECOND VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL THIRD VOLTAGE
Thread Length0.625 INCHES NOMINAL SINGLE THREADED BUSHING IN
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Media for Which DesignedGAS OR LIQUID
Style DesignatorCYLINDRICAL W/FLANGE
Width Across Flats1.000 INCHES NOMINAL IN
Thread Series DesignatorNPT SINGLE THREADED BUSHING
Nominal Thread Size0.500 INCHES SINGLE THREADED BUSHING IN
Contact Adjustment TypeEXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW
Body Diameter0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Terminal TypeWIRE LEAD
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Mounting MethodTHREADED BUSHING
Body Length5.031 INCHES NOMINAL IN
Contact Adjustment Range+100.00 TO 600.00 ACTUATION POINT DEGREES FAHRENHEIT AND -100.00 TO 600.00 DEACTUATION POINT DEGREES FAHRENHEIT
Contact Action StimulusINCREASE
Thread Quantity Per Inch14 SINGLE THREADED BUSHING
Temp Sensing Element TypeIMMERSION WELL
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts230.0 AC AT SEA LEVEL FIRST VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-282-5341 INTERCHANGEABLE
Ring,retaining
2805-00-569-1393180037C INTERCHANGEABLE
Tappet,engine Poppet Valve
Dresser, Llc
5340-01-179-127218-0037 INTERCHANGEABLE
Bumper
Bacharach, Inc.
Cross-Reference Index
Part NumberManufacturer
18003-7 PRIMARY Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
Related Parts
5325-00-282-5341INTERCHANGEABLE
RING,RETAINING
2805-00-569-1393INTERCHANGEABLE
TAPPET,ENGINE POPPET VALVE
180037C
5340-01-179-1272INTERCHANGEABLE
BUMPER
18-0037

Frequently Asked Questions

What is NSN 5930-00-051-3435?

NSN 5930-00-051-3435 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: active.

What are the part numbers for NSN 5930-00-051-3435?

NSN 5930-00-051-3435 has 1 cross-referenced part number: 18003-7 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).

What NSN replaces 5930-00-051-3435?

There are 3 known substitutes for 5930-00-051-3435: 5325-00-282-5341, 2805-00-569-1393, 5340-01-179-1272. Verify interchangeability with system specifications before substitution.

What are the specifications of 18003-7?

Key specifications for 18003-7: Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SECOND VOLTAGE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL THIRD VOLTAGE; Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED BUSHING IN. 24 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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