MT1H-H253-12-A

View detailed technical data, stock status, and sourcing information for: MT1H-H253-12-A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-157-4627

Item Name Code

00451

Assigment Date

07/06/1983 (43 years ago)

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).

144.0 inches nominal capillary tube length, 0.375 inches nominal bulb diameter, 4920-01-040-2903 end item identification, 4.468 inches nominal bulb length, 0.500 inches nominal all threaded stud thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Length: 0.500 inches nominal all threaded stud
Capillary Tube Length: 144.0 inches nominal
Bulb Length: 4.468 inches nominal
Bulb Diameter: 0.375 inches nominal
End Item Identification: 4920-01-040-2903
Temp Sensing Element Type: capillary tube-bulb
Mounting Method: threaded stud
Thread Quantity Per Inch: 32 all threaded stud
Contact Action Stimulus: decrease
Nominal Thread Size: 0.164 inches all threaded stud
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: wire lead
Contact Load Current Rating: 3.0 amperes resistive load single voltage
Contact Adjustability: actuation point adjustable
Contact Adjustment Range: +50.00 to 150.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts: 480.0 ac at sea level single voltage
Media For Which Designed: gas or liquid
Thread Series Designator: unc all threaded stud

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
MT1H-H155-12-A	Thermostatic Switch
MT1H-H253-12-A	Thermostatic Switch

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5930-01-157-4627?

The FSCG of the NSN 5930-01-157-4627 is 5930

Does the NSN 5930-01-157-4627 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-01-157-4627 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5930-01-157-4627 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-01-157-4627 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5930-01-157-4627 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jul 6, 1983