3949

3949 Thermostatic Switch

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Datasheet. 3949 specification

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

0.656in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

0.562in.

Body Length
A measurement of the longest dimension of the body,in distinction from width.

1.734in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.172in.

Mounting Method
The means of attaching the item.

unthreaded hole

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

increase

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 Adjustability
The adjustability of the contact.

actuation point not adjustable

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

153.00 actuation point degrees fahrenheit

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

gas or liquid

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

rectangular, open frame

Answers.

What is the style?

Rectangular, open frame

What is the overall width?

0.562 inches

What is the NSN for 3949?

5930-01-022-5123

How is this classified for shipping?

Schedule B number: 9032100000
nmfc 061300
Thermostats

What's the federal classification of 3949?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-01-022-5123 SWITCH,THERMOSTATIC

rectangular, open frame 0.562" overall width

NIIN
010225123
NIIN Date
05/30/76
Schedule B
9032100000 
Name Code
00451
FIIG
A048B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$40.50 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
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. JS-47-153DEG F Cage 65289

Major End Users Countries and entities

  • - Department of The Army 

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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

3949 / 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).