5977-00-387-0850

Find complete technical information, availability, and procurement data for: 5977-00-387-0850
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-387-0850

Item Name Code

02937

Assigment Date

01/01/1963 (63 years ago)

A holder designed to accommodate and position a brush against a commutator or collector ring. Also includes items consisting of two or more brush holders (boxes) cast as an inseparable unit. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). See also holder assembly, electrical contact brush.

2.250 inches nominal overall length, 1.250 inches nominal inside length, 1.000 inches nominal inside width, 1 terminal quantity, 1.250 inches nominal overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Terminal Quantity: 1
Overall Length: 2.250 inches nominal
Overall Width: 1.250 inches nominal
Inside Width: 1.000 inches nominal
Inside Length: 1.250 inches nominal
Overall Thickness: 5.375 inches nominal
Mounting Facility Quantity: 1
Brush Pressure Spring Type Accommodated: spiral torsion
Brush Spring Adjustability: adjustable
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 0.391 inches nominal
Mounting Facility: clamp
Terminal Type: screw
Material: copper alloy 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
S271771	Electrical Contact Brush Holder
S271771A	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-387-0850?

The FSCG of the NSN 5977-00-387-0850 is 5977

Does the NSN 5977-00-387-0850 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-387-0850 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 5977-00-387-0850 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-387-0850 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 5977-00-387-0850 was assigned to the Federal Catalog?

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