BK997

View detailed technical data, stock status, and sourcing information for: BK997
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-00-235-7538

Item Name Code

32512

Assigment Date

01/01/1963 (63 years ago)

3.938 inches nominal overall height, 60.0 nominal frequency in hertz, 2.625 inches nominal overall width, 0.164 inches nominal single mounting facility unthreaded mounting hole diameter, 5.750 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: 5.750 inches nominal
Overall Height: 3.938 inches nominal
Overall Width: 2.625 inches nominal
Unthreaded Mounting Hole Diameter: 0.164 inches nominal single mounting facility
Frequency In Hertz: 60.0 nominal
Winding Quantity: 1
Coil Quantity: 1
Winding Dc Resistance Rating: 375.0 ohms nominal single winding
Duty Type: continuous
Arc Quenching Method: inert gas
Mounting Facility Type And Quantity: unable to decode
Mounting Facility Pattern: triangle single mounting facility
Nonpile-Up Main Contact Arrangement: 1 pole, single throw, normally open, momentary action
Nominal Operating Current Rating And Type: 70.0 milliamperes ac single winding
Time Delay: 1.50 seconds minimum and 2.00 seconds maximum adjustable operate time
Center To Center Distance Between Mounting Facilities Parallel To The Altitude Of An Isosceles Triangle: 4.500 inches nominal single mounting facility
Operating Voltage Rating And Type At Specified Temp: 110.0 volts ac 25 deg celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage: 1.5 amperes ac and 150.0 milliamperes dc resistive load
Main Contact Maximum Voltage Rating In Volts: 220.0 ac and 220.0 dc
Special Features: mercury contacts hermetically sealed in; armored glass tube
Terminal Type And Quantity: 4 pin 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
303083-160	Electromagnetic Relay
BK997	Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-235-7538?

The FSCG of the NSN 5945-00-235-7538 is 5945

Does the NSN 5945-00-235-7538 have a Schedule B code assigned?

Yes, the Schedule B code is 8536490050

Does NSN 5945-00-235-7538 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 5945-00-235-7538 contain precious materials?

Precious metal content is unknown

Does NSN 5945-00-235-7538 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 5945-00-235-7538 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963