31908-3

View detailed technical data, stock status, and sourcing information for: 31908-3
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-016-2981

Item Name Code

00173

Assigment Date

01/01/1961 (65 years ago)

A switch which is actuated by centrifugal force.

2.438 inches minimum and 2.478 inches maximum overall width, 1.876 inches nominal longest horizontal distance between mounting centers, 2.438 inches minimum and 2.478 inches maximum overall height, 0.276 inches minimum and 0.291 inches maximum unthreaded mounting hole diameter, 3.980 inches minimum and 4.144 inches maximum 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: 3.980 inches minimum and 4.144 inches maximum
Overall Height: 2.438 inches minimum and 2.478 inches maximum
Overall Width: 2.438 inches minimum and 2.478 inches maximum
Unthreaded Mounting Hole Diameter: 0.276 inches minimum and 0.291 inches maximum
Longest Horizontal Distance Between Mounting Centers: 1.876 inches nominal
Longest Vertical Distance Between Mounting Centers: 1.876 inches nominal
Mounting Method: unthreaded hole
Contact Action Stimulus: increase
Mounting Facility Pattern: four position rectangular
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally open, momentary action
Terminal Type: connector, receptacle

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
31908-3	Centrifugal Switch
6403303	Centrifugal Switch

FAQs

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

What is the FSCG of the NSN 5930-00-016-2981?

The FSCG of the NSN 5930-00-016-2981 is 5930

Does the NSN 5930-00-016-2981 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-00-016-2981 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 5930-00-016-2981 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-016-2981 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 5930-00-016-2981 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961