974810-20

97481020 Thermostatic Switch

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Datasheet. 974810-20 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a all threaded stud

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.187in. all threaded stud ⁓3/16"

Hazardous Locations/environmental Protection
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.

weatherproof

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.554in. and 0.654in.

Body Height
A measurement from the bottom to the top of the body,in distinction from depth.

0.124in. and 0.148in.

Overall Diameter
A measurement of the longest straight line across a circular cross-sectional plane.

0.200in. and 0.230in. ⁓15/64"

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

detection st 82577

Temp Sensing Element Type
Indicates the type of sensor or transducer used in the item to convert temperature changes to switch actuating force.

internal sensor

Operating Temp Rating
The temperature at which the item operates.

0.0 deg fahrenheit and 350.0 deg fahrenheit

Mounting Method
The means of attaching the item.

threaded stud

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

hermetically sealed case

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

40 all threaded stud

Contact Action Stimulus
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.

decrease

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.250in. all threaded stud ⁓1/4"

Nonpile-up Contact Arrangement
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.

1 pole, single throw, normally open, momentary action

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

tab, solder lug

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

1.0 amperes resistive load first voltage

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

1.0 amperes resistive load second voltage

Contact Adjustability
The adjustability of the contact.

deactuation point not adjustable and actuation point not adjustable

Contact Stimulus Rating
The rating of the stimulus required to actuate and/or deactuate the contact(s).

215.00 actuation point degrees fahrenheit and 225.00 actuation point degrees fahrenheit and 245.00 deactuation point degrees fahrenheit and 255.00 deactuation point degrees fahrenheit and 30.00 differential point degrees fahrenheit

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

115.0 ac at sea level first voltage

Contact Voltage Rating In Volts
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.

30.0 dc at sea level second voltage

Frequency In Hertz
The cycles per second /hertz/ of the alternating current.

60.0 first voltage

Media For Which Designed
The type of media for which the item is designed.

gas

Precious Material And Location
An indication of the precious material and its location in the item.

contacts silver

Precious Material
Identification of the precious material contained in the item.

silver

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

disc

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

un all threaded stud

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Un all threaded stud

What is the style?

Disc

What is the thread quantity per inch?

40 all threaded stud

What is the thread length?

0.187 inches all threaded stud

What is the thread class?

2a all threaded stud

What is the NSN for 974810-20?

5930-01-095-6463

How is this classified for shipping?

Schedule B number: 9032100000
nmfc 061300
Thermostats

What's the federal classification of 974810-20?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-01-095-6463 SWITCH,THERMOSTATIC

Used on detection st 82577. un all threaded stud thread series disc 40 all threaded stud thread quantity per inch 0.187" all threaded stud thread length 2a all threaded stud thread class

NIIN
010956463
NIIN Date
06/05/80
Schedule B
9032100000 
Name Code
00451
FIIG
A048B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$170.15 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 3BTF6-51 Cage 82647

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

974810-20 / Switch,thermostaticWhat is the formal definition of this item?

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).