NSN 5930-00-538-4922, 5930005384922
SWITCH,THERMOSTATIC

Federal Supply Classification: FSC 5930 - Switches
National Item Identification Number: NIIN 005384922
Codification Country: United States
Item Name Code: INC 00451
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5930-00-538-4922

National Stock Number (NSN) 5930-00-538-4922, or NIIN 005384922, (switch,thermostatic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 00451. [A SWITCH THAT IS ACTUATED BY CHANGES IN AMBIENT TEMPERATURE. EXCLUDES:CIRCUIT BREAKER; CONTROL, TEMPERATURE (AS MODIFIED); FUSE (AS MODIFIED); PROTECTOR, THERMAL-OVERLOAD, ELECTRICAL MOTOR; RELAY, THERMAL; AND THERMOSTAT, FLOW CONTROL. SEE ALSO CONTROL, TEMPERATURE (AS MODIFIED) AND REGULATOR, TEMPERATURE (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5930005384922 contains an unknown precious metal.

This NSN is associated to Schedule B 9032100000: thermostats. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334512: automatic environmental control manufacturing for residential, commercial, and appliance use.

This information was last updated on Jul 01, 2025.

Technical Characteristics

CONTACT ADJUSTMENT RANGE: (CTYM) +50.00/+300.00 ACTUATION POINT DEGREES FAHRENHEIT AND +50.00/+300.00 DEACTUATION POINT DEGREES FAHRENHEIT
III STYLE DESIGNATOR: (STYL) CYLINDRICAL
BODY LENGTH: (ADAQ) 3.671 INCHES NOMINAL
BULB DIAMETER: (AEVV) 0.616 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
BULB LENGTH: (AEVU) 2.660 INCHES NOMINAL
CONTACT ACTION STIMULUS: (CQGB) INCREASE
CONTACT ADJUSTABILITY: (CTYC) DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET
CONTACT ADJUSTMENT RANGE: (CTYM) +50.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT AND +50.00 TO 300.00 DEACTUATION POINT DEGREES FAHRENHEIT
CONTACT ADJUSTMENT TYPE: (CTYS) INTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT TONGUE
CONTACT LOAD CURRENT RATING: (CTHF) 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
CONTACT LOAD CURRENT RATING: (CTHF) 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT STIMULUS RATING: (CTYX) 10.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 120.00 DIFFERENTIAL POINT MINIMUM DEGREES FAHRENHEIT
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) 125.0 AC AT SEA LEVEL SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) 250.0 AC AT SEA LEVEL FIRST VOLTAGE
FEATURES PROVIDED: (CBBL) ELECTRICAL ACCESS PORT
OVERALL DIAMETER: (ADAV) 3.530 INCHES NOMINAL
OVERALL LENGTH: (ABHP) 6.370 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED: (MEDA) GAS
MOUNTING METHOD: (AXGY) THREADED BUSHING
NOMINAL THREAD SIZE: (CQJX) 0.500 INCHES SINGLE THREADED BUSHING
NONPILE-UP CONTACT ARRANGEMENT: (CRLD) 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
STYLE DESIGNATOR: (STYL) CYLINDRICAL
WIDTH ACROSS FLATS: (ASDB) 0.120 INCHES NOMINAL
TEMP SENSING ELEMENT TYPE: (AKBY) BULB
TERMINAL TYPE: (CSCF) TAB W/SCREW
THREAD LENGTH: (AASA) 0.625 INCHES NOMINAL SINGLE THREADED BUSHING
THREAD SERIES DESIGNATOR: (THSD) NPTR SINGLE THREADED BUSHING
THREAD QUANTITY PER INCH: (CMLP) 14 SINGLE THREADED BUSHING
III OVERALL LENGTH: (ABHP) 6.370 INCHES NOMINAL