RA3-8

View detailed technical data, stock status, and sourcing information for: RA3-8
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-052-4761

Item Name Code

02937

Assigment Date

05/18/1967 (59 years ago)

A holder designed to accommodate and position a brush against a commutator or collector ring. Also includes items consisting of two or more brush holders (boxes) cast as an inseparable unit. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). See also holder assembly, electrical contact brush.

0.750 inches nominal overall width, 1.437 inches nominal overall length, 1 terminal quantity, 0.750 inches nominal inside length, 0.510 inches nominal inside width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Terminal Quantity: 1
Overall Length: 1.437 inches nominal
Overall Width: 0.750 inches nominal
Inside Width: 0.510 inches nominal
Inside Length: 0.750 inches nominal
Overall Thickness: 3.562 inches nominal
Mounting Facility Quantity: 2
Brush Pressure Spring Type Accommodated: spiral torsion
Brush Spring Adjustability: adjustable
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 3.562 inches nominal
Mounting Facility: clamp and rod
Terminal Type: screw
Material: zinc alloy box
Style Designator: rectangle

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
3825 PART 15	Electrical Contact Brush Holder
RA3-8	Electrical Contact Brush Holder
XA-10103C	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-052-4761?

The FSCG of the NSN 5977-00-052-4761 is 5977

Does the NSN 5977-00-052-4761 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-052-4761 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 5977-00-052-4761 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-052-4761 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 5977-00-052-4761 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, May 18, 1967