21042-2

210422 Pressure Switch

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Datasheet. 21042-2 specification

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

gage

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

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 pole, single throw, normally closed, momentary action

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

tab, solder lug

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).

12.25 actuation point pounds per square inch and 2.25 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.

28.0 dc at sea level single voltage

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 quantity is this sold in?

1EA

What class is the thread series?

Unf single pressure connection

What is the thread quantity per inch?

20 single pressure connection

What is the NSN for 21042-2?

5930-00-501-0048

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 21042-2?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-501-0048 SWITCH,PRESSURE

unf single pressure connection thread series 20 single pressure connection thread quantity per inch

NIIN
005010048
NIIN Date
01/01/63
Schedule B
8536509065 
Name Code
00206
FIIG
A048B0
Item Weight
0.400lbs
Item Dimensions
--
QUP
Historical Price
$1,387.68 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. 7431174P0002 Cage 99971
2. J20-4146-2 Cage 88234
3. 7431174P2 Cage 99971

Major End Users Countries and entities

  • - Department of The Air Force 

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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

21042-2 / 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.