A-820

View detailed technical data, stock status, and sourcing information for: A-820
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-476-7850

Item Name Code

00302

Assigment Date

06/10/1971 (55 years ago)

A flexible item in roll form, six inches (152.4mm) or less in width, designed to provide radio frequency/electromagnetic shielding for an electrical cable, splice, microcircuit or other electronic component. It may be constructed from braided/knitted wire, metal foil, metallized plastic, or the like. It does not have printed data, symbols, or legends. Excludes:tape, adhesive, rubber; tape, insulation, electrical; tape, pressure sensitive adhesive; and tape, semi-conducting, electrical.

0.312 inches nominal radius, rectangular commutator body style, 5 shunt position designator, 0.182 inches nominal width, 0.100 inches nominal thickness

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: 5
Body Style: rectangular commutator
Radius: 0.312 inches nominal
Width: 0.182 inches nominal
Thickness: 0.100 inches nominal
Length: 0.275 inches nominal
Terminal Diameter: 0.250 inches nominal
Largest Outside Diameter: 0.160 inches nominal
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 1 uninsulated
Pressure Spring Type And Quantity: 1 cylindrical
Material: carbon
Style Designator: one piece
Terminal Type And Quantity: 1 round cap

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
A-820	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-476-7850?

The FSCG of the NSN 5977-00-476-7850 is 5977

Does the NSN 5977-00-476-7850 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-476-7850 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 5977-00-476-7850 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-476-7850 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 5977-00-476-7850 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Thu, Jun 10, 1971