1-1989

View detailed technical data, stock status, and sourcing information for: 1-1989
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-644-9678

Item Name Code

02474

Assigment Date

01/01/1963 (63 years ago)

An item consisting of a continuous electrically conductive material of circular or ring shape specifically designed to be used in conjunction with a contact brush to establish an electrical circuit between a rotating item and a stationary item. See also commutator.

3.125 inches nominal outside diameter, 0.250 inches nominal overall length, 0.040 silver grams precious material and weight, 3.125 inches nominal overall diameter, graphite material

Product Characteristics

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

Overall Length: 0.250 inches nominal
Outside Diameter: 3.125 inches nominal
Overall Diameter: 3.125 inches nominal
Material: graphite
Precious Material And Weight: 0.040 silver grams
Precious Material: silver
Surface Treatment: silver
Shape: disk

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
1-1989	Electrical Contact Ring
6-0573PC93	Electrical Contact Ring

FAQs

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

What is the FSCG of the NSN 5977-00-644-9678?

The FSCG of the NSN 5977-00-644-9678 is 5977

Does the NSN 5977-00-644-9678 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-644-9678 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 5977-00-644-9678 contain precious materials?

Item contains silver.

Does NSN 5977-00-644-9678 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 5977-00-644-9678 was assigned to the Federal Catalog?

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