MR3A

View detailed technical data, stock status, and sourcing information for: MR3A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-00-998-1622

Item Name Code

32512

Assigment Date

11/25/1966 (59 years ago)

An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

hermetic environmental protection, 2.000 inches nominal overall width, 2.251 inches nominal single mounting facility center to center distance between mounting facilities parallel to length, 1.680 inches nominal overall height, 2.590 inches nominal overall 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: 2.590 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 2.251 inches nominal single mounting facility
Overall Height: 1.680 inches nominal
Overall Width: 2.000 inches nominal
Environmental Protection: hermetic
Unthreaded Mounting Hole Diameter: 0.156 inches nominal single mounting facility
Frequency In Hertz: 60.0 nominal
Winding Quantity: 1
Coil Quantity: 1
Winding Dc Resistance Rating: 2.75 ohms nominal single winding
Duty Type: continuous
Mounting Facility Type And Quantity: unable to decode
Mounting Facility Pattern: in-line single mounting facility
Nonpile-Up Main Contact Arrangement: 1 pole, single throw, normally open, momentary action
Nominal Operating Current Rating And Type: 550.0 milliamperes ac single winding
Operating Voltage Rating And Type At Specified Temp: 6.00 volts ac 25 deg celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage: 10.0 amperes ac resistive load
Main Contact Maximum Voltage Rating In Volts: 115.0 ac
Terminal Type And Quantity: 4 pin all functions

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5945-00-731-4970	No Name Available	02/23/1972

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
MR3A	Electromagnetic Relay
MR3A6VAC	Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-998-1622?

The FSCG of the NSN 5945-00-998-1622 is 5945

Does the NSN 5945-00-998-1622 have a Schedule B code assigned?

Yes, the Schedule B code is 8536490075

Does NSN 5945-00-998-1622 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 5945-00-998-1622 contain precious materials?

Precious metal content is unknown

Does NSN 5945-00-998-1622 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 5945-00-998-1622 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Nov 25, 1966