540A-D-3

View detailed technical data, stock status, and sourcing information for: 540A-D-3
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-172-6437

Item Name Code

00206

Assigment Date

02/23/1984 (42 years ago)

5.500 inches nominal overall width, 0.375 inches nominal single connection outside diameter, 6.500 inches nominal overall height, 2a single pressure connection thread class, 2.890 inches nominal overall length

Product Characteristics

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

Thread Class: 2a single pressure connection
Overall Length: 2.890 inches nominal
Outside Diameter: 0.375 inches nominal single connection
Overall Height: 6.500 inches nominal
Overall Width: 5.500 inches nominal
Unthreaded Mounting Hole Diameter: 0.170 inches nominal
Longest Horizontal Distance Between Mounting Centers: 5.062 inches nominal
Longest Vertical Distance Between Mounting Centers: 6.062 inches nominal
Pressure Switch Type: absolute
Mounting Method: bracket and unthreaded hole
Contact Action Stimulus: increase
Nominal Thread Size: 0.375 inches single pressure connection
Mounting Facility Pattern: four position rectangular
Nonpile-Up Contact Arrangement: 1 pole, double throw, one position momentary
Terminal Type: screw
Contact Adjustability: actuation point adjustable
Contact Adjustment Type: external actuation point hex nut
Pressure Connector Type: flared, threaded external single connection
Media For Which Designed: gas
Style Designator: rectangular w/bracket
Thread Series Designator: unef 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
540A-D-3	Pressure Switch

FAQs

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

What is the FSCG of the NSN 5930-01-172-6437?

The FSCG of the NSN 5930-01-172-6437 is 5930

Does the NSN 5930-01-172-6437 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-01-172-6437 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 5930-01-172-6437 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-01-172-6437 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 5930-01-172-6437 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Feb 23, 1984