NSN 5930-00-401-6508, 5930004016508
SWITCH,THERMOSTATIC

Federal Supply Classification: FSC 5930 - Switches
National Item Identification Number: NIIN 004016508
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 5930-00-401-6508

National Stock Number (NSN) 5930-00-401-6508, or NIIN 004016508, (switch,thermostatic) was assigned November 26, 1969 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 Nov 02, 2005, 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 5930004016508 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 Aug 01, 2025.

Technical Characteristics

THREAD CLASS: (AAJD) UNABLE TO DECODE
THREAD QUANTITY PER INCH: (CMLP) UNABLE TO DECODE
III STYLE DESIGNATOR: (STYL) DISC
FREQUENCY IN HERTZ: (FREQ) UNABLE TO DECODE
BODY HEIGHT: (ADAU) 0.290 INCHES MAXIMUM
CONTACT ACTION STIMULUS: (CQGB) INCREASE
CONTACT ADJUSTABILITY: (CTYC) DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
CONTACT LOAD CURRENT RATING: (CTHF) 6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING: (CTHF) 6.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
CONTACT LOAD CURRENT RATING: (CTHF) 4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
CONTACT STIMULUS RATING: (CTYX) 255.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 240.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) 125.0 AC AT SEA LEVEL FIRST VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) 30.0 AC AT SEA LEVEL SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) 30.0 DC AT SEA LEVEL THIRD VOLTAGE
FEATURES PROVIDED: (CBBL) HERMETICALLY SEALED CASE
FREQUENCY IN HERTZ: (FREQ) 60.0 FIRST VOLTAGE
FREQUENCY IN HERTZ: (FREQ) 60.0 SECOND VOLTAGE
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: (ABFE) MOISTURE PROOF
MEDIA FOR WHICH DESIGNED: (MEDA) GAS
MOUNTING METHOD: (AXGY) THREADED STUD(S)
NOMINAL THREAD SIZE: (CQJX) 0.138 INCHES ALL THREADED STUD
NONPILE-UP CONTACT ARRANGEMENT: (CRLD) 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
OPERATING TEMP RATING: (AWTN) -30.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM
OVERALL DIAMETER: (ADAV) 0.605 INCHES NOMINAL
OVERALL HEIGHT: (ABKW) 0.781 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) DISC
TEMP SENSING ELEMENT TYPE: (AKBY) INTERNAL SENSOR
TERMINAL TYPE: (CSCF) TAB, SOLDER LUG
THREAD CLASS: (AAJD) 2A ALL THREADED STUD
THREAD LENGTH: (AASA) 0.375 INCHES NOMINAL ALL THREADED STUD
THREAD SERIES DESIGNATOR: (THSD) UNIFIED NATIONAL COARSE (UNC) ALL THREADED STUD
THREAD QUANTITY PER INCH: (CMLP) 32 ALL THREADED STUD
CONTACT VOLTAGE RATING IN VOLTS: (CTZB) UNABLE TO DECODE
THREAD LENGTH: (AASA) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNC ALL THREADED STUD
OPERATING TEMP RATING: (AWTN) -30.0 DEG FAHRENHEIT MINIMUM AND 500.0 DEG FAHRENHEIT MAXIMUM
CONTACT LOAD CURRENT RATING: (CTHF) UNABLE TO DECODE
NOMINAL THREAD SIZE: (CQJX) UNABLE TO DECODE
MOUNTING METHOD: (AXGY) THREADED STUD