5977-01-128-4790

Find complete technical information, availability, and procurement data for: 5977-01-128-4790
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-01-128-4790

Item Name Code

00302

Assigment Date

03/22/1982 (44 years ago)

13.0 millimeters nominal slot width, 2 and 8 shunt position designator, 37.8 millimeters minimum and 38.2 millimeters maximum width, rectangular commutator body style, 1.5 millimeters nominal slot depth

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
Body Style: rectangular commutator
Slot Depth: 1.5 millimeters nominal
Slot Width: 13.0 millimeters nominal
Width: 37.8 millimeters minimum and 38.2 millimeters maximum
Thickness: 9.4 millimeters minimum and 9.6 millimeters maximum
Length: 20.5 millimeters minimum and 21.3 millimeters maximum
Brush Shunt Length: 43.5 millimeters minimum and 46.5 millimeters maximum all shunts
Terminal Hole Diameter: 4.3 millimeters minimum and 4.4 millimeters maximum
Top Style: flat with rectangular slot
Contact Face Style: flat
Shunt Insulation Provision And Quantity: 2 uninsulated
Outer Edge To Slot Edge Distance: 12.4 millimeters minimum and 12.6 millimeters maximum
Terminal Bend Angle: 22.0 degrees nominal
Special Features: rectangular slot in top of brush rounded 1.5 millimeters max radius
Material: graphite
Material Document And Classification: stackpole carbon grade 5052 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 bent w/hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-01-188-5516	No Name Available	06/01/2004

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
1852884	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-01-128-4790?

The FSCG of the NSN 5977-01-128-4790 is 5977

Does the NSN 5977-01-128-4790 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-01-128-4790 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 5977-01-128-4790 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-01-128-4790 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 5977-01-128-4790 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Mon, Mar 22, 1982