1108139

View detailed technical data, stock status, and sourcing information for: 1108139
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-897-5979

Item Name Code

00302

Assigment Date

01/01/1960 (66 years ago)

0.495 inches minimum and 0.500 inches maximum thickness, 1 and 3 and 7 and 9 shunt position designator, 1.438 inches nominal radius, rectangular commutator body style, 0.995 inches minimum and 1.000 inches maximum 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: 1 and 3 and 7 and 9
Body Style: rectangular commutator
Radius: 1.438 inches nominal
Width: 0.995 inches minimum and 1.000 inches maximum
Thickness: 0.495 inches minimum and 0.500 inches maximum
Length: 1.312 inches nominal
Brush Shunt Length: 1.500 inches nominal all shunts
Terminal Hole Diameter: 0.281 inches nominal
Bevel Depth: 0.125 inches nominal
Bevel Length: 0.156 inches nominal
Top Style: beveled front with left and right edge beveled
Contact Face Style: concave on bevel
Bevel Angle: 12.5 degrees nominal
Clip Type: nema hammer type channel a
Shunt Insulation Provision And Quantity: 4 insulated
Angle: 30.0 degrees nominal
Terminal Bend Angle: 30.0 degrees nominal
Material: carbon graphite
Material Document And Classification: carbone grade 555 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Below is a list of NSNs that have been officially superseded by this NSN: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
5977-00-084-5258	No Name Available	01/01/1999

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
1108139	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-897-5979?

The FSCG of the NSN 5977-00-897-5979 is 5977

Does the NSN 5977-00-897-5979 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-897-5979 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 5977-00-897-5979 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-897-5979 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 5977-00-897-5979 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960