MDR-123-4

View detailed technical data, stock status, and sourcing information for: MDR-123-4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-01-045-8236

Item Name Code

03890

Assigment Date

08/08/1977 (48 years ago)

4.190 inches nominal overall length, 4.190 inches nominal overall width, sectional structural design, 5.000 inches maximum overall height, four 0.281 in. dia mtg holes on 3.250 in. by 3.250 in. mtg centers mounting configuration

Product Characteristics

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

Overall Length: 4.190 inches nominal
Overall Height: 5.000 inches maximum
Overall Width: 4.190 inches nominal
Mounting Configuration: four 0.281 in. dia mtg holes on 3.250 in. by 3.250 in. mtg centers
Structural Design: sectional
Ac Operating Voltage Rating In Volts: 120.0 nominal
Operating Current Rating: 59.0 milliamperes nominal
Contact Current Type: ac and dc
Contact Maximum Voltage Rating In Volts: 480.0
Contact Current Rating At Maximum Rated Voltage: 3.0 amperes resistive
Contact Maximum Rated Current: 15.0 amperes resistive
Contact Voltage Rating At Maximum Rated Current: 120.0
Coil Terminal Quantity: 2
Coil Dc Resistance: 8.4 ohms nominal
Section Quantity: 4
Coil Winding Quantity: 1

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
MDR-123-4	Rotary Relay

FAQs

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

What is the FSCG of the NSN 5945-01-045-8236?

The FSCG of the NSN 5945-01-045-8236 is 5945

Does the NSN 5945-01-045-8236 have a Schedule B code assigned?

Yes, the Schedule B code is 8536490075

Does NSN 5945-01-045-8236 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 5945-01-045-8236 contain precious materials?

Precious metal content is unknown

Does NSN 5945-01-045-8236 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 5945-01-045-8236 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Aug 8, 1977