A1633-4

View detailed technical data, stock status, and sourcing information for: A1633-4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-245-2063

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

1.609 inches nominal radius, rectangular commutator body style, 0.312 inches nominal slot width, 2 shunt position designator, 0.062 inches nominal slot depth

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: 2
Body Style: rectangular commutator
Slot Depth: 0.062 inches nominal
Slot Width: 0.312 inches nominal
Radius: 1.609 inches nominal
Width: 0.625 inches nominal
Thickness: 0.402 inches minimum and 0.406 inches maximum
Length: 0.969 inches minimum and 1.031 inches maximum
Brush Shunt Length: 1.875 inches nominal single shunt
Terminal Hole Diameter: 0.219 inches nominal
Top Style: flat with rectangular slot
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 1 insulated
Outer Edge To Slot Edge Distance: 0.156 inches nominal
Special Features: top left edge beveled
Material: electrographitic
Material Document And Classification: speer carbon co,gr e-25 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-625-4463	No Name Available	01/01/1963

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
10190-4	Electrical Contact Brush
A1633-4	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-245-2063?

The FSCG of the NSN 5977-00-245-2063 is 5977

Does the NSN 5977-00-245-2063 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-245-2063 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 5977-00-245-2063 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-245-2063 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 5977-00-245-2063 was assigned to the Federal Catalog?

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