18578-01

View detailed technical data, stock status, and sourcing information for: 18578-01
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-511-8810

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

0.047 inches nominal head length, 5 shunt position designator, 0.500 inches nominal radius, 0.301 inches nominal head diameter, 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: 5
Body Style: rectangular commutator
Head Diameter: 0.301 inches nominal
Head Length: 0.047 inches nominal
Radius: 0.500 inches nominal
Width: 0.374 inches nominal
Thickness: 0.374 inches nominal
Length: 0.453 inches nominal
Terminal Diameter: 0.526 inches nominal
Spring Free Length: 1.141 inches nominal
Largest Outside Diameter: 0.340 inches nominal
Brush Shunt Length: 1.094 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: graphite
Material Document And Classification: ohio carbon co,gr e5 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Below is a list of NSNs that have been officially superseded by this NSN: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
5977-00-683-0114	No Name Available	10/28/1966

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
18578-01	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-511-8810?

The FSCG of the NSN 5977-00-511-8810 is 5977

Does the NSN 5977-00-511-8810 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-511-8810 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 5977-00-511-8810 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-511-8810 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 5977-00-511-8810 was assigned to the Federal Catalog?

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