RD7901-42

View detailed technical data, stock status, and sourcing information for: RD7901-42
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-165-0900

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

5 shunt position designator, 0.125 inches nominal head length, 0.687 inches nominal radius, rectangular commutator body style, 0.156 inches nominal head diameter

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
Head Diameter: 0.156 inches nominal
Head Length: 0.125 inches nominal
Radius: 0.687 inches nominal
Width: 0.373 inches nominal
Thickness: 0.187 inches nominal
Length: 0.625 inches nominal
Terminal Diameter: 0.373 inches nominal
Spring Free Length: 1.062 inches nominal
Largest Outside Diameter: 0.156 inches nominal
Brush Shunt Length: 1.062 inches nominal single shunt
Top Style: cylindrical head
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 1 uninsulated
Pressure Spring Type And Quantity: 1 cylindrical
Material: carbon
Material Document And Classification: delco products div gen motors grade -1549 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 round cap w/ears

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-165-8683	No Name Available	09/01/1976
5977-00-522-9799	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
1076423	Electrical Contact Brush
RD7901-42	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-165-0900?

The FSCG of the NSN 5977-00-165-0900 is 5977

Does the NSN 5977-00-165-0900 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-165-0900 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 5977-00-165-0900 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-165-0900 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 5977-00-165-0900 was assigned to the Federal Catalog?

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