SA157A

View detailed technical data, stock status, and sourcing information for: SA157A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-00-759-7937

Item Name Code

32512

Assigment Date

01/01/1960 (66 years ago)

3.000 inches nominal overall height, 3.125 inches nominal overall width, 3.125 inches nominal overall length, 2.625 inches nominal single mounting facility center to center distance between mounting facilities parallel to width, 2.625 inches nominal single mounting facility center to center distance between mounting facilities parallel to length

Product Characteristics

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

Overall Length: 3.125 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 2.625 inches nominal single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width: 2.625 inches nominal single mounting facility
Overall Height: 3.000 inches nominal
Overall Width: 3.125 inches nominal
Environmental Protection: dustproof
Unthreaded Mounting Hole Diameter: 0.196 inches nominal single mounting facility
Winding Quantity: 4
Coil Quantity: 4
Duty Type: continuous
Mounting Facility Type And Quantity: unable to decode
Mounting Facility Pattern: rectangular single mounting facility
Nonpile-Up Main Contact Arrangement: 3 pole, double throw, one position momentary
Nonpile-Up Auxiliary Contact Arrangement: 2 pole, single throw, normally open, momentary action
Auxiliary Contact Maximum Voltage Rating In Volts: 28.0 dc
Operating Voltage Rating And Type At Specified Temp: 28.0 volts dc 25 deg celsius all windings
Main Contact Load Current Rating At Maximum Rated Voltage: 70.0 amperes ac resistive load
Main Contact Maximum Voltage Rating In Volts: 200.0 ac
Auxiliary Contact Load Current Rating At Maximum Rated Voltage: 5.0 amperes dc resistive load
Terminal Type And Quantity: 17 screw all functions

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
B-140AGH	Electromagnetic Relay
SA157A	Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-759-7937?

The FSCG of the NSN 5945-00-759-7937 is 5945

Does the NSN 5945-00-759-7937 have a Schedule B code assigned?

Yes, the Schedule B code is 8536490075

Does NSN 5945-00-759-7937 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 5945-00-759-7937 contain precious materials?

Precious metal content is unknown

Does NSN 5945-00-759-7937 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 5945-00-759-7937 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960