21B17-57A

View detailed technical data, stock status, and sourcing information for: 21B17-57A
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Federal Supply Group

Electric Wire, and Power and Distribution Equipment

Federal Supply Classification

6110 Electrical Control Equipment

National Stock Number

6110-01-009-1566

Item Name Code

00176

Assigment Date

09/04/1975 (50 years ago)

A component within a single inclosure or provided with a single mounting specifically designed to control automatically the voltage output of an electrical system within certain required limits, regardless of variations of the effective load or of input voltages within a specific range. Does not include items in which regulation is accomplished solely by transformer action. See also regulator set,voltage. Excludes:regulator,engine generator.

4 mounting hole quantity, 5.344 inches nominal overall length, 0.180 inches nominal mounting hole diameter, 3.344 inches nominal overall height, 4.781 inches nominal overall width

Product Characteristics

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

Overall Length: 5.344 inches nominal
Overall Height: 3.344 inches nominal
Overall Width: 4.781 inches nominal
Mounting Hole Diameter: 0.180 inches nominal
Mounting Hole Quantity: 4
Mounting Method: unthreaded hole
Regulation Method: electronic
Electronic Device Type: solid state
Enclosure Feature: closed frame

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
21B17-57A	Voltage Regulator
M21480/17-2	Voltage Regulator

FAQs

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

What is the FSCG of the NSN 6110-01-009-1566?

The FSCG of the NSN 6110-01-009-1566 is 6110

Does the NSN 6110-01-009-1566 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 6110-01-009-1566 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6110-01-009-1566 contain precious materials?

Item does not contain precious metal.

Does NSN 6110-01-009-1566 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6110-01-009-1566 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Sep 4, 1975