A4-2D8-4

View detailed technical data, stock status, and sourcing information for: A4-2D8-4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-501-1660

Item Name Code

00399

Assigment Date

01/01/1963 (63 years ago)

0.281 inches nominal actuator diameter, 1.594 inches nominal actuator free position height, pushbutton actuator adapter style, round actuator style, 0.828 inches nominal actuator height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Actuator Style: round
Actuator Diameter: 0.281 inches nominal
Actuator Height: 0.828 inches nominal
Actuator Free Position Height: 1.594 inches nominal
Actuator Adapter Style: pushbutton
Adapter Bushing Length: 0.500 inches nominal
Maximum Voltage Rating In Volts: 250.0 ac and 30.0 dc
Inclosure Type: fully inclosed
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.469 inches
Nonpile-Up Contact Arrangement: 2 two circuit, double break/double make, both positions maintained single switch unit
Switch Release Force: 3.0 ounces minimum
Switch Actuating Force: 35.0 ounces maximum
Actuator Movement: 0.038 differential inches maximum and 0.078 pretravel inches maximum
Contact Load Current Rating At Maximum Rated Voltage: 10.000 amperes resistive dc and 10.000 amperes resistive ac
Thread Series Designator: uns
Terminal Type And Quantity: 8 tab, solder lug

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-259-8944	No Name Available	04/22/1966

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
A4-2D8-4	Sensitive Switch

FAQs

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

What is the FSCG of the NSN 5930-00-501-1660?

The FSCG of the NSN 5930-00-501-1660 is 5930

Does the NSN 5930-00-501-1660 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509050

Does NSN 5930-00-501-1660 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 5930-00-501-1660 contain precious materials?

Precious metal content is unknown

Does NSN 5930-00-501-1660 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 5930-00-501-1660 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963