18-1939

View detailed technical data, stock status, and sourcing information for: 18-1939
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-025-9649

Item Name Code

02134

Assigment Date

08/12/1976 (50 years ago)

A switch actuated by a definite angular rotation of the switch shaft about its axis. It consists of a body,switch and a control,rotary switch. For items having rated actuation travel and pressure characteristics, see switch,sensitive. Excludes relay,rotary; switch,stepping; and switch,telephone (as modified).

0.437 inches nominal at 9:00 o'clock nonturn device radius, 4.375 inches nominal overall length, 1.625 inches nominal overall diameter, 8 individual section quantity, dustproof hazardous locations/environmental protection

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: dustproof
Overall Length: 4.375 inches nominal
Overall Diameter: 1.625 inches nominal
Nonturn Device Radius: 0.437 inches nominal at 9:00 o'clock
Individual Section Quantity: 8
Nonturn Device Type: tab at 9:00 o'clock
Switch Contact Basic Design: nonpile-up nonsymmetrical
Pole Quantity: 1 each section rear
Contact Switching Action: breaks before makes each section rear
Style Designator: tap, circular, bushing mount

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
18-1939	Rotary Switch

FAQs

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

What is the FSCG of the NSN 5930-01-025-9649?

The FSCG of the NSN 5930-01-025-9649 is 5930

Does NSN 5930-01-025-9649 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 5930-01-025-9649 contain precious materials?

Precious metal content is unknown

Does NSN 5930-01-025-9649 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 5930-01-025-9649 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Aug 12, 1976