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Serving our customers with quality and safety first.
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Datasheet. 20640 specification
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.
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.
weatherproof
Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.120in. ⁓2-1/8"
Overall Height
The distance measured in a straight line from the bottom to the top of an item.
The distance measured in a straight line from the bottom to the top of an item.
1.250in.
Body Diameter
The length of a straight line which passes through the center of the body,and terminates at the circumference.
The length of a straight line which passes through the center of the body,and terminates at the circumference.
1.190in.
Body Height
A measurement from the bottom to the top of the body,in distinction from depth.
A measurement from the bottom to the top of the body,in distinction from depth.
1.030in.
Longest Horizontal Distance Between Mounting Centers
The longest distance between mounting centers parallel to the horizontal plane.
The longest distance between mounting centers parallel to the horizontal plane.
1.560in.
Temp Sensing Element Type
Indicates the type of sensor or transducer used in the item to convert temperature changes to switch actuating force.
Indicates the type of sensor or transducer used in the item to convert temperature changes to switch actuating force.
internal sensor
Mounting Method
The means of attaching the item.
The means of attaching the item.
bracket
Contact Action Stimulus
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.
increase
Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.
The general configuration and relative position of the facilities provided for mounting the item.
two position IN-Line
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.
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 closed, momentary action
Terminal Type
Indicates the type of terminal for providing electrical connection to the item.
Indicates the type of terminal for providing electrical connection to the item.
wire lead
Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.
The amount of current that the contacts are rated to make or break with a specified load.
15.0 amperes resistive load single voltage
Contact Adjustability
The adjustability of the contact.
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).
The rating of the stimulus required to actuate and/or deactuate the contact(s).
50.00 actuation point degrees fahrenheit and 30.00 deactuation 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.
The voltage for which the contact(s) is rated at sea level or at a specified altitude,expressed in volts.
120.0 ac at sea level single voltage
Media For Which Designed
The type of media for which the item is designed.
The type of media for which the item is designed.
gas
Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
disc w/flange
Answers.
What quantity is this sold in?
1EA
What is the style?
Disc w/flange
How is this classified for shipping?
Schedule B number: 9032100000
nmfc 061300
Thermostats
What's the federal classification of 20640?
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-00-174-0946 SWITCH,THERMOSTATIC
disc w/flange 2.120" overall length
- NIIN
- 001740946
- NIIN Date
- 02/16/73
- Schedule B
- 9032100000
- Name Code
- 00451
- FIIG
- A048B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $89.25 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. | 37T21 | Cage 81439 |
| 2. | 11-641927P9 | Cage 93217 |
| 3. | 11-641927P9 | Cage 82647 |
| 4. | WR50X18 | Cage 81439 |
| 5. | WR50X18 | Cage 93217 |
| 6. | 50X50 | Cage 00261 |
| 7. | WR50X18 | Cage 00261 |
| 8. | WR50X18 | Cage 82647 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Air Force
- - Australia
Availability for 20640 A member of our team will provide you with a price and availability quote
Request a Quote »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
20640 / 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).
