20474-4

View detailed technical data, stock status, and sourcing information for: 20474-4

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20474-4
Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5945 Relays and Solenoids
National Stock Number
5945-00-644-9178
Item Name Code
32512
Assigment Date
01/01/1963 (63 years ago)

A relay which is actuated by the effect of a magnetic field developed by the current in its energizing coil(s). Includes solenoid and armature types. Excludes:contactor, magnetic; relay, meter movement; relay, motor driven; relay, reed; relay, resonant reed; relay, rotary; and switch, stepping.

2.376 inches nominal single mounting facility center to center distance between mounting facilities parallel to length, 2.210 inches nominal overall width, 2.680 inches nominal overall length, 2.780 inches nominal overall height, 0.750 inches nominal single mounting facility center to center distance between mounting facilities parallel to 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
2.680 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length
2.376 inches nominal single mounting facility
Center To Center Distance Between Mounting Facilities Parallel To Width
0.750 inches nominal single mounting facility
Overall Height
2.780 inches nominal
Overall Width
2.210 inches nominal
Environmental Protection
hermetic
Unthreaded Mounting Hole Diameter
0.188 inches nominal single mounting facility
Winding Quantity
1
Coil Quantity
1
Winding Dc Resistance Rating
150.0 ohms nominal single winding
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
Operating Voltage Rating And Type At Specified Temp
24.0 volts dc 25 deg celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage
15.0 amperes ac and 15.0 amperes dc resistive load
Main Contact Maximum Voltage Rating In Volts
250.0 ac and 24.0 dc
Terminal Type And Quantity
11 pin all functions

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5945-00-257-7877 No Name Available 01/01/1960

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
20474-1 Electromagnetic Relay
20474-4 Electromagnetic Relay
2109-8HS Electromagnetic Relay
332211-1 Electromagnetic Relay
7706794P1 Electromagnetic Relay
C7706794P1 Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-644-9178?
The FSCG of the NSN 5945-00-644-9178 is 5945
Does the NSN 5945-00-644-9178 have a Schedule B code assigned?
Yes, the Schedule B code is 8536490075
Does NSN 5945-00-644-9178 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 5945-00-644-9178 contain precious materials?
Precious metal content is unknown
Does NSN 5945-00-644-9178 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 5945-00-644-9178 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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