M-4003-20PSI

View detailed technical data, stock status, and sourcing information for: M-4003-20PSI
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-425-8479

Item Name Code

00206

Assigment Date

02/09/1972 (54 years ago)

gage pressure switch type, weatherproof hazardous locations/environmental protection, 2.000 inches nominal overall length, inlet connection mounting method, 1.690 inches nominal overall diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hazardous Locations/Environmental Protection: weatherproof
Overall Length: 2.000 inches nominal
Overall Diameter: 1.690 inches nominal
Pressure Switch Type: gage
Mounting Method: inlet connection
Features Provided: internally grounded
Thread Quantity Per Inch: 27 single pressure connection
Contact Action Stimulus: increase
Nominal Thread Size: 0.125 inches single pressure connection
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally closed, momentary action
Terminal Type: tab w/screw
Contact Load Current Rating: 4.0 amperes resistive load first voltage
Contact Load Current Rating: 15.0 amperes resistive load second voltage
Contact Adjustability: deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating: 20.00 actuation point nominal pounds per square inch and 19.00 deactuation point nominal pounds per square inch and 1.00 differential point nominal pounds per square inch
Contact Voltage Rating In Volts: 24.0 dc at sea level first voltage
Contact Voltage Rating In Volts: 6.0 dc at sea level second voltage
Pressure Connector Type: flared, threaded external single connection
Media For Which Designed: gas or liquid
Precious Material And Location: contacts silver
Precious Material: silver
Style Designator: cylindrical
Thread Series Designator: npt single pressure connection

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
M-4003-20PSI	Pressure Switch

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5930-00-425-8479?

The FSCG of the NSN 5930-00-425-8479 is 5930

Does the NSN 5930-00-425-8479 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-00-425-8479 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5930-00-425-8479 contain precious materials?

Item contains silver.

Does NSN 5930-00-425-8479 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5930-00-425-8479 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Feb 9, 1972