5977-00-239-4122

Find complete technical information, availability, and procurement data for: 5977-00-239-4122
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-239-4122

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

1.000 inches nominal width, rectangular commutator body style, 0.489 inches nominal thickness, 2 and 8 shunt position designator, 10000 feet per minute peripheral speed

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: 2 and 8
Peripheral Speed: 10000 feet per minute
Body Style: rectangular commutator
Width: 1.000 inches nominal
Thickness: 0.489 inches nominal
Length: 1.938 inches nominal
Brush Shunt Length: 0.125 inches minimum and 3.625 inches maximum single shunt
Terminal Slot Width: 0.219 inches nominal
Top Style: beveled front
Contact Face Style: concave on bevel
Bevel Angle: 28.0 degrees nominal
Shunt Insulation Provision And Quantity: 2 uninsulated
Angle: 30.0 degrees nominal
Material: electrographitic
Material Document And Classification: morganite inc,gr eg7788 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/slot

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-377-3873	No Name Available	01/01/1960

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
01-09585-B	Electrical Contact Brush
1076518	Electrical Contact Brush
MB9585A	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-239-4122?

The FSCG of the NSN 5977-00-239-4122 is 5977

Does the NSN 5977-00-239-4122 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-239-4122 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 5977-00-239-4122 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-239-4122 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 5977-00-239-4122 was assigned to the Federal Catalog?

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