721898-3

7218983 Pressure Switch

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Datasheet. 721898-3 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a single pressure connection

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.500in. single pressure connection ⁓1/2"

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

4.310in. ⁓4-5/16"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

0.500in. single connection

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

3.620in.

Body Diameter
The length of a straight line which passes through the center of the body,and terminates at the circumference.

3.000in.

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

2.560in.

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.

0.200in.

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

3.000in.

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

gage

Mounting Method
The means of attaching the item.

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.

14 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.

120.00 pounds per square inch

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

0.500in. single pressure connection ⁓1/2"

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.

2 pole, double throw, both positions maintained

Terminal Type
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.

10.0 amperes resistive load single 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).

20.00 actuation point pounds per square inch and 8.00 deactuation point pounds per square inch and 12.00 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.

250.0 ac at sea level single voltage

Pressure Connector Type
Indicates the type of pressure connector.

plain, threaded external single connection

Frequency In Hertz
The cycles per second /hertz/ of the alternating current.

60.0 single voltage

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.

cylindrical w/mounting lugs

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.

npt single pressure connection

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Npt single pressure connection

What is the style?

Cylindrical w/mounting lugs

What is the thread quantity per inch?

14 single pressure connection

What is the overall width?

3.620 inches

What is the outside diameter?

0.500 inches single connection

What is the thread length?

0.500 inches single pressure connection

What is the thread class?

3a single pressure connection

What is the NSN for 721898-3?

5930-00-796-9826

How is this classified for shipping?

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

What's the federal classification of 721898-3?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-796-9826 SWITCH,PRESSURE

npt single pressure connection thread series cylindrical w/mounting lugs 14 single pressure connection thread quantity per inch 3.620" overall width 0.500" single connection outside diameter 4.310" overall length 0.500" single pressure connection thread length 3a single pressure connection thread class

NIIN
007969826
NIIN Date
01/01/62
Schedule B
8536509065 
Name Code
00206
FIIG
A048B0
QUP
Historical Price
$199.90 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. 432-E-20L Cage 89326

Major End Users Countries and entities

  • - France 
  • - Italy 

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Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

721898-3 / 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.