A49050

View detailed technical data, stock status, and sourcing information for: A49050
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-499-5431

Item Name Code

00302

Assigment Date

07/06/1974 (52 years ago)

1.056 inches nominal radius, 0.250 inches nominal thickness, rectangular commutator body style, 5 shunt position designator, 0.375 inches nominal 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: 5
Body Style: rectangular commutator
Radius: 1.056 inches nominal
Width: 0.375 inches nominal
Thickness: 0.250 inches nominal
Length: 0.875 inches nominal
Terminal Diameter: 0.265 inches nominal
Brush Shunt Length: 1.188 inches nominal single shunt
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 1 uninsulated
Pressure Spring Type And Quantity: 1 cylindrical
Material: electrographitic
Material Document And Classification: morganite inc grade eg7788 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 round cap

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1285-01-065-8150	No Name Available	12/01/1989

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
2679995-43	Electrical Contact Brush
A49050	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-499-5431?

The FSCG of the NSN 5977-00-499-5431 is 5977

Does the NSN 5977-00-499-5431 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-499-5431 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 5977-00-499-5431 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-499-5431 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 5977-00-499-5431 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Jul 6, 1974