031B557

View detailed technical data, stock status, and sourcing information for: 031B557
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-782-0346

Item Name Code

00302

Assigment Date

01/19/1968 (58 years ago)

0.562 inches nominal length, 12 shunt position designator, 0.375 inches nominal thickness, 1.250 inches nominal width, rectangular commutator body style

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: 12
Body Style: rectangular commutator
Width: 1.250 inches nominal
Thickness: 0.375 inches nominal
Length: 0.562 inches nominal
Brush Shunt Length: 1.875 inches nominal single shunt
Terminal Hole Diameter: 0.281 inches nominal
Top Style: flat
Contact Face Style: flat
Shunt Insulation Provision And Quantity: 1 uninsulated
Material: silver graphite
Material Document And Classification: superior carbon grade 2c mfr ref single material response
Precious Material And Location: brush silver
Precious Material And Weight: 0.040 silver grains, troy
Precious Material: silver
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/hole

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
031B557	Electrical Contact Brush
LO-007820346	Electrical Contact Brush
RO0099	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-782-0346?

The FSCG of the NSN 5977-00-782-0346 is 5977

Does the NSN 5977-00-782-0346 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-782-0346 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 5977-00-782-0346 contain precious materials?

Item contains silver.

Does NSN 5977-00-782-0346 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 5977-00-782-0346 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Jan 19, 1968