7937557

7937557 Pressure Switch

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Datasheet. 7937557 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

3.840in. ⁓3-27/32"

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

1.500in.

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

1.250in.

Pressure Switch Type
The general classification of a pressure switch based on the reference method used to measure the sensed pressure.

gage

Operating Temp Rating
The temperature at which the item operates.

-65.0 deg fahrenheit and 275.0 deg fahrenheit

Mounting Method
The means of attaching the item.

bolt

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

20 single pressure connection

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

Proof Pressure
The maximum pressure that an item will withstand without resulting in any permanent changes in the structural,mechanical,or electrical characteristics.

4500.00 pounds per square inch

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

0.4375in. single pressure connection ⁓29/64"

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 two circuit, double break/double make, permanent jumper with no external terminal, both positions maintained

Sensing Element Burst Pressure
The pressure at which the pressure sensing element of the item is rendered inoperative by rupture or other permanent physical damage.

7500.00 pounds per square inch

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

connector, receptacle

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

5.0 amperes resistive load single voltage

Contact Adjustability
The adjustability of the contact.

deactuation point adjustable and actuation point adjustable

Contact Adjustment Range
The minimum and maximum limits to which the contact(s) may be adjusted.

+1250.00/+1400.00 actuation point pounds per square inch and +1250.00/+1400.00 deactuation point pounds per square inch

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 single voltage

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

liquid

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.

unf single pressure connection

Answers.

What class is the thread series?

Unf single pressure connection

What is the thread quantity per inch?

20 single pressure connection

What is the overall width?

1.250 inches

What is the NSN for 7937557?

5930-00-982-2816

How is this classified for shipping?

Schedule B number: 8536509065
nmfc 061300
Switches, for a voltage not exceeding 1000 volts

What's the federal classification of 7937557?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-982-2816 SWITCH,PRESSURE

unf single pressure connection thread series 20 single pressure connection thread quantity per inch 1.250" overall width 3.840" overall length

NIIN
009822816
NIIN Date
01/01/62
Schedule B
8536509065 
Name Code
00206
FIIG
A048B0
Item Weight
0.000lbs
Item Dimensions
--
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. 90172 Cage 98505
2. 668416-1 Cage 98897
3. 157A Cage 13539

Major End Users Countries and entities

  • - Germany 

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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

7937557 / Switch,pressureWhat is the formal definition of this item?

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.