BS2557

View detailed technical data, stock status, and sourcing information for: BS2557
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5945 Relays and Solenoids

National Stock Number

5945-00-643-7169

Item Name Code

32512

Assigment Date

01/01/1963 (63 years ago)

1.680 inches nominal overall height, 1.000 inches nominal overall width, 4.400 inches nominal overall length, 2b single mounting facility thread class, 0.688 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.

Thread Class: 2b single mounting facility
Overall Length: 4.400 inches nominal
Center To Center Distance Between Mounting Facilities Parallel To Length: 0.688 inches nominal single mounting facility
Overall Height: 1.680 inches nominal
Overall Width: 1.000 inches nominal
End Item Identification: type no. bd-100
Winding Quantity: 1
Coil Quantity: 1
Duty Type: continuous
Mounting Facility Type And Quantity: unable to decode
Pile-Up Main Contact Form Arrangement: 1c
Nominal Thread Size: 0.164 inches single mounting facility
Mounting Facility Pattern: in-line single mounting facility
Nominal Operating Current Rating And Type: 8.0 milliamperes dc single winding
Operating Voltage Rating And Type At Specified Temp: 115.0 volts dc 25 deg celsius single winding
Main Contact Load Current Rating At Maximum Rated Voltage: 500.0 milliamperes ac resistive load
Main Contact Maximum Voltage Rating In Volts: 110.0 ac
Thread Series Designator: unc single mounting facility
Terminal Type And Quantity: 5 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
BS2557	Electromagnetic Relay

FAQs

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

What is the FSCG of the NSN 5945-00-643-7169?

The FSCG of the NSN 5945-00-643-7169 is 5945

Does the NSN 5945-00-643-7169 have a Schedule B code assigned?

Yes, the Schedule B code is 8536490050

Does NSN 5945-00-643-7169 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 5945-00-643-7169 contain precious materials?

Precious metal content is unknown

Does NSN 5945-00-643-7169 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 5945-00-643-7169 was assigned to the Federal Catalog?

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