ST-123

View detailed technical data, stock status, and sourcing information for: ST-123
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-00-295-6987

Item Name Code

32512

Assigment Date

01/01/1961 (65 years ago)

7.453 inches nominal overall length, 4.438 inches nominal overall width, 1.750 inches nominal single mounting facility center to center distance between mounting facilities parallel to width, 3.688 inches nominal overall height, 2.812 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: 7.453 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 2.812 inches nominal single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width: 1.750 inches nominal single mounting facility
Overall Height: 3.688 inches nominal
Overall Width: 4.438 inches nominal
Mounting Slot Width: 0.281 inches nominal single mounting facility
Environmental Protection: corrosion resistant and watertight
Winding Quantity: 2
Coil Quantity: 2
Winding Dc Resistance Rating: 0.2 ohms nominal first winding
Winding Dc Resistance Rating: 0.83 ohms nominal second winding
Duty Type: intermittent
Mounting Facility Type And Quantity: unable to decode
Mounting Facility Pattern: rectangular single mounting facility
Nonpile-Up Main Contact Arrangement: 1 pole, single throw, normally open, momentary action
Nominal Operating Current Rating And Type: 49.0 amperes dc and 55.0 amperes dc first winding
Nominal Operating Current Rating And Type: 11.0 amperes dc and 13.0 amperes dc second winding
Operating Voltage Rating And Type At Specified Temp: 10.0 volts dc 25 deg celsius all windings
Main Contact Load Current Rating At Maximum Rated Voltage: 200.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts: 12.0 dc
Special Features: corrosion resistant
Terminal Type And Quantity: 6 pin all functions

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-783-9551	No Name Available	11/07/1973

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
1118089	Electromagnetic Relay
ST-123	Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-295-6987?

The FSCG of the NSN 5945-00-295-6987 is 5945

Does the NSN 5945-00-295-6987 have a Schedule B code assigned?

Yes, the Schedule B code is 8536410020

Does NSN 5945-00-295-6987 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 5945-00-295-6987 contain precious materials?

Precious metal content is unknown

Does NSN 5945-00-295-6987 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 5945-00-295-6987 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961