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Datasheet. 42D249 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b all pressure connection
The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.
0.245in. single connection
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.625in. all pressure connection ⁓5/8"
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
3.375in. ⁓3-3/8"
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
3.312in.
The length of a straight line which passes through the center of the body,and terminates at the circumference.
2.375in.
A measurement of the longest dimension of the body,in distinction from width.
1.750in.
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.
0.187in.
The longest distance between mounting centers parallel to the horizontal plane.
2.000in.
The longest distance between mounting centers parallel to the vertical plane.
2.500in.
The general classification of a pressure switch based on the reference method used to measure the sensed pressure.
differential
The means of attaching the item.
unthreaded hole
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20 all pressure connection
An indication of whether the initial action of the contacts occurs as the result of an increase or decrease in stimulus.
increase
The maximum pressure that an item will withstand without resulting in any permanent changes in the structural,mechanical,or electrical characteristics.
240.00 pounds per square inch
A designation that is used for the purpose of general identification of the thread.
0.437in. single pressure connection ⁓7/16"
The general configuration and relative position of the facilities provided for mounting the item.
four position rectangular
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
Indicates the type of terminal for providing electrical connection to the item.
connector, receptacle
The amount of current that the contacts are rated to make or break with a specified load.
0.6 amperes resistive load single voltage
The adjustability of the contact.
deactuation point not adjustable and actuation point not adjustable
The rating of the stimulus required to actuate and/or deactuate the contact(s).
16.00 actuation point pounds per square inch and 14.00 deactuation point pounds per square inch
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
Indicates the type of pressure connector.
plain, threaded internal all connections
The cycles per second /hertz/ of the alternating current.
60.0 single voltage
The type of media for which the item is designed.
gas or liquid
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
cylindrical w/mounting lugs
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.
Unf all pressure connection
Cylindrical w/mounting lugs
20 all pressure connection
3.312 inches
0.625 inches all pressure connection
0.245 inches single connection
3b all pressure connection
Schedule B number: 8536509065
Switches, for a voltage not exceeding 1000 volts
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-01-041-9190 SWITCH,PRESSURE
unf all pressure connection thread series cylindrical w/mounting lugs 20 all pressure connection thread quantity per inch 3.312" overall width 3.375" overall length 0.625" all pressure connection thread length 0.245" single connection inside diameter 3b all pressure connection thread class
- NIIN
- 010419190
- NIIN Date
- 06/04/77
- Schedule B
- 8536509065
- Name Code
- 00206
- FIIG
- A048B0
- 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
Major End Users Countries and entities
- - New Zealand
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42D249 / 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.
