7937554

7937554 Pressure Switch

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Datasheet. 7937554 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.

weatherproof

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

2.500in. ⁓2-1/2"

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

1.870in.

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

1.870in.

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.

0.257in.

Distance Between Mounting Facility Centers
The distance between mounting facility centers.

3.000in.

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

T-39A airplane 43999

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

differential

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.

bracket and unthreaded hole

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

20 all 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.

200.00 pounds per square inch gage

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

0.4375in. single pressure connection ⁓29/64"

Mounting Facility Pattern
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.

1 pole, double throw, one position momentary

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.

1.0 amperes lamp 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 lamp 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).

9.00 actuation point pounds per square inch and 6.00 deactuation point pounds per square inch and 3.00 differential 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.

18.0 dc at sea level second 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 first voltage

Pressure Connector Type
Indicates the type of pressure connector.

plain, threaded internal all connections

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

liquid

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

rectangular

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 all pressure connection

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf all pressure connection

What is the style?

Rectangular

What is the thread quantity per inch?

20 all pressure connection

What is the overall width?

1.870 inches

What is the NSN for 7937554?

5930-00-899-8601

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 7937554?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-899-8601 SWITCH,PRESSURE

Used on t-39a airplane 43999. unf all pressure connection thread series rectangular 20 all pressure connection thread quantity per inch 1.870" overall width 2.500" overall length

NIIN
008998601
NIIN Date
01/01/63
Schedule B
8536509065 
Name Code
00206
FIIG
A048B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$447.08 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. NA5-72384-2 Cage 43999
2. 83132 Cage 98505

Major End Users Countries and entities

  • - Department of The Navy 
  • - Poland 
  • - France 

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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

7937554 / 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.