421105

View detailed technical data, stock status, and sourcing information for: 421105
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-681-3578

Item Name Code

00206

Assigment Date

01/01/1963 (63 years ago)

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.

0.125 inches nominal single connection outside diameter, 1.690 inches nominal overall diameter, inlet connection mounting method, gage pressure switch type, 1.870 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.

Overall Length: 1.870 inches nominal
Outside Diameter: 0.125 inches nominal single connection
Overall Diameter: 1.690 inches nominal
Pressure Switch Type: gage
Mounting Method: inlet connection
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 open, momentary action
Terminal Type: tab w/screw
Contact Adjustability: actuation point adjustable, preset
Contact Adjustment Range: +1.00 to 7.00 actuation point pounds per square inch
Contact Adjustment Type: internal actuation point screw
Pressure Connector Type: plain, threaded external single connection
Media For Which Designed: gas or liquid
Style Designator: cylindrical
Thread Series Designator: ptf-sae short single pressure connection

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-203-0402	No Name Available	11/11/1968
5930-00-300-0488	No Name Available	03/25/1968
5930-00-791-1566	No Name Available	11/06/1968

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
1749-1300	Pressure Switch
177MAN1	Pressure Switch
277748R91	Pressure Switch
421105	Pressure Switch
7-872-000107	Pressure Switch
M1421	Pressure Switch
MI1421	Pressure Switch

FAQs

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

What is the FSCG of the NSN 5930-00-681-3578?

The FSCG of the NSN 5930-00-681-3578 is 5930

Does the NSN 5930-00-681-3578 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-00-681-3578 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 5930-00-681-3578 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-00-681-3578 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 5930-00-681-3578 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963