7971686

View detailed technical data, stock status, and sourcing information for: 7971686
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-265-2914

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

An item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: contact, electrical; and contact assembly, electrical.

rectangular commutator body style, 0.750 inches nominal radius, 0.281 inches nominal thickness, 8 shunt position designator, 0.436 inches nominal width

Product Characteristics

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

Shunt Position Designator: 8
Body Style: rectangular commutator
Radius: 0.750 inches nominal
Width: 0.436 inches nominal
Thickness: 0.281 inches nominal
Length: 0.781 inches nominal
Brush Shunt Length: 1.188 inches nominal all shunts
Terminal Hole Diameter: 0.200 inches nominal
Top Style: beveled front
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 2 uninsulated
Angle: 15.0 degrees nominal
Material: electrographitic
Material Document And Classification: stackpole carbon co,gr v53 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 flag w/hole

Replaces National Stock Numbers

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

NSN	Name	Date
5977-00-679-5687	No Name Available	01/01/1963

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
7971686	Electrical Contact Brush
F20-120	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-265-2914?

The FSCG of the NSN 5977-00-265-2914 is 5977

Does the NSN 5977-00-265-2914 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-265-2914 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 5977-00-265-2914 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-265-2914 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 5977-00-265-2914 was assigned to the Federal Catalog?

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