44M30-02-1-4N

View detailed technical data, stock status, and sourcing information for: 44M30-02-1-4N
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-471-1893

Item Name Code

02134

Assigment Date

08/28/1970 (55 years ago)

2.112 inches minimum and 2.378 inches maximum overall length, 0.230 inches minimum and 0.270 inches maximum single actuator first flat length, explosion proof hazardous locations/environmental protection, 0.417 inches minimum and 0.457 inches maximum single mounting facility thread length, 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: 0.417 inches minimum and 0.457 inches maximum single mounting facility
Hazardous Locations/Environmental Protection: explosion proof
Overall Length: 2.112 inches minimum and 2.378 inches maximum
First Flat Length: 0.230 inches minimum and 0.270 inches maximum single actuator
Flat Height: 0.215 inches minimum and 0.221 inches maximum single actuator
Shaft Diameter: 0.248 inches minimum and 0.251 inches maximum single actuator
Shaft Length: 0.834 inches minimum and 0.914 inches maximum single actuator
Overall Diameter: 1.100 inches minimum and 1.306 inches maximum
Nonturn Device Radius: 0.360 inches minimum and 0.390 inches maximum at 3:00 o'clock
Individual Section Quantity: 2
Nonturn Device Type: tab at 3:00 o'clock
Operating Temp Range: -65.0 to 85.0 celsius
Switch Contact Basic Design: nonpile-up symmetrical
Pole Quantity: 1 each section front
Throw Quantity: 4 each section rear
Mounting Method: threaded bushing single mounting facility
Nominal Thread Size: 0.375 inches single mounting facility
Contact Voltage Rating In Volts: 115.0 ac at sea level
Contact Voltage Rating In Volts: 28.0 dc at sea level
Shaft Flat/Slot Angular Location: 195.0 degrees from nonturn device single actuator
Rotor Through Connection Quantity: 1 each section
Switch Actuator Indexing Position Quantity: 4 single actuator
Shaft Type: round, flatted single actuator
Terminal Type: tab, solder lug
Contact Switching Action: breaks before makes each section rear
Switch Actuator Positioning Increment: 30.0 degrees single actuator
Detent Rotational Torque Range: +0.500 to 2.500 inch-pounds single actuator
Switch Actuator Stop Device Type: fixed stop single actuator
Contact Load Current Rating: 1.0 amperes inductive load dc at sea level
Contact Load Current Rating: 2.0 amperes resistive load and 1.0 amperes inductive load ac at sea level
Style Designator: tap, circular, bushing mount
Test Data Document: "81349-mil-s-3786 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: unef single mounting facility
Specification/Standard Data: 81349-mil-s-3786/4 government specification

Replaces National Stock Numbers

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

NSN	Name	Date
5930-00-710-8236	No Name Available	10/01/1987
5930-00-792-2203	No Name Available	02/08/2025
5930-00-877-9616	No Name Available	10/01/1987
5930-01-170-1802	No Name Available	09/01/1991

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
107-025-019	Rotary Switch
259-9475-140	Rotary Switch
33-506439-1	Rotary Switch
44A30-02-1-4N	Rotary Switch
44M30-02-1-4N	Rotary Switch
538097-25	Rotary Switch
990267-107	Rotary Switch
M3786-04-0025	Rotary Switch
M3786/4-0025	Rotary Switch

FAQs

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

What is the FSCG of the NSN 5930-00-471-1893?

The FSCG of the NSN 5930-00-471-1893 is 5930

Does the NSN 5930-00-471-1893 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509020

Does NSN 5930-00-471-1893 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 5930-00-471-1893 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-00-471-1893 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 5930-00-471-1893 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Aug 28, 1970