1857M2

View detailed technical data, stock status, and sourcing information for: 1857M2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-556-2727

Item Name Code

02937

Assigment Date

01/01/1963 (63 years ago)

0.499 inches nominal overall diameter, 1 mounting facility quantity, 0.251 inches nominal inside width, 0.560 inches nominal overall length, 0.560 inches nominal inside 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: 0.560 inches nominal
Overall Diameter: 0.499 inches nominal
Inside Width: 0.251 inches nominal
Inside Length: 0.560 inches nominal
Mounting Facility Quantity: 1
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 0.251 inches nominal
Mounting Facility: press fit
Material: steel box

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
1857M2	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-556-2727?

The FSCG of the NSN 5977-00-556-2727 is 5977

Does the NSN 5977-00-556-2727 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-556-2727 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 5977-00-556-2727 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-556-2727 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 5977-00-556-2727 was assigned to the Federal Catalog?

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