MS21995-12

View detailed technical data, stock status, and sourcing information for: MS21995-12
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-046-4636

Item Name Code

02134

Assigment Date

08/18/1977 (49 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).

0.469 inches nominal single mounting facility thread length, 0.400 inches minimum and 0.447 inches maximum single actuator first flat length, 2.900 inches nominal overall length, explosion proof hazardous locations/environmental protection, 2a single mounting facility thread class

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 mounting facility
Thread Length: 0.469 inches nominal single mounting facility
Hazardous Locations/Environmental Protection: explosion proof
Overall Length: 2.900 inches nominal
First Flat Length: 0.400 inches minimum and 0.447 inches maximum single actuator
Flat Height: 0.216 inches nominal single actuator
Shaft Diameter: 0.247 inches nominal single actuator
Shaft Length: 0.531 inches nominal single actuator
Overall Diameter: 1.950 inches maximum
Individual Section Quantity: 3
Switch Contact Basic Design: nonpile-up nonsymmetrical
Mounting Method: threaded bushing single mounting facility
Thread Quantity Per Inch: 32 single mounting facility
Nominal Thread Size: 0.469 inches single mounting facility
Contact Voltage Rating In Volts: 200.0 ac at sea level
Switch Actuator Indexing Position Quantity: 8 single actuator
Shaft Type: round, flatted single actuator
Terminal Type: screw
Switch Actuator Positioning Increment: 45.0 degrees single actuator
Switch Actuator Stop Device Type: fixed stop single actuator
Contact Load Current Rating: 5.0 amperes resistive load ac at sea level
Style Designator: tap, circular, bushing mount
Test Data Document: "81349-mil-dtl-6807 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: uns single mounting facility
Specification/Standard Data: 96906-ms21995 government standard

Replaces National Stock Numbers

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

NSN	Name	Date
5930-01-042-2425	No Name Available	08/22/2003

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
MS21995-1	Rotary Switch
MS21995-12	Rotary Switch

FAQs

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

What is the FSCG of the NSN 5930-01-046-4636?

The FSCG of the NSN 5930-01-046-4636 is 5930

Does the NSN 5930-01-046-4636 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509020

Does NSN 5930-01-046-4636 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 5930-01-046-4636 contain precious materials?

Precious metal content is unknown

Does NSN 5930-01-046-4636 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 5930-01-046-4636 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Aug 18, 1977