MS21320-2

View detailed technical data, stock status, and sourcing information for: MS21320-2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-957-0306

Item Name Code

00399

Assigment Date

01/01/1962 (64 years ago)

bushing mounted body style, 1.030 inches maximum overall height, watertight hazardous locations/environmental protection, 3.410 inches maximum overall length, 2a 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
Body Style: bushing mounted
Hazardous Locations/Environmental Protection: watertight
Overall Length: 3.410 inches maximum
Overall Height: 1.030 inches maximum
Overall Width: 1.030 inches maximum
Actuator Style: roller arm
Actuator Height: 1.300 inches maximum
Actuator Roller Diameter: 0.750 inches nominal
Actuator Roller Width: 0.310 inches nominal
Housing Length: 2.160 inches maximum
Housing Bushing Length: 0.340 inches nominal
Maximum Voltage Rating In Volts: 28.0 dc
Inclosure Type: fully inclosed
Features Provided: actuator seal
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.469 inches
Nonpile-Up Contact Arrangement: 2 pole, double throw, one position momentary single switch unit
Switch Release Force: 108.0 inch-ounces minimum
Switch Actuating Force: 144.0 inch-ounces minimum and 300.0 inch-ounces maximum
Actuator Movement: 12.0 pretravel degrees maximum and 32.0 overtravel degrees maximum and 4.0 differential degrees maximum
Contact Load Current Rating At Maximum Rated Voltage: 5.000 amperes resistive dc and 3.000 amperes inductive dc and 4.000 amperes motor dc
Test Data Document: "81349-mil-s-8805 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
Terminal Type And Quantity: 6 wire lead
Specification/Standard Data: 81349-mil-s-8805/48 government specification

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
MS21320-2	Sensitive Switch

FAQs

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

What is the FSCG of the NSN 5930-00-957-0306?

The FSCG of the NSN 5930-00-957-0306 is 5930

Does the NSN 5930-00-957-0306 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509050

Does NSN 5930-00-957-0306 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 5930-00-957-0306 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-957-0306 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 5930-00-957-0306 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962