R26-169

View detailed technical data, stock status, and sourcing information for: R26-169
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-421-4200

Item Name Code

02937

Assigment Date

12/09/1970 (55 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.

1.609 inches nominal overall length, 1 terminal quantity, 0.125 inches nominal thread length, 0.250 inches nominal inside width, 0.562 inches nominal overall diameter

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
Thread Length: 0.125 inches nominal
Overall Length: 1.609 inches nominal
Overall Diameter: 0.562 inches nominal
Inside Width: 0.250 inches nominal
Inside Length: 1.609 inches nominal
Mounting Facility Quantity: 1
Top Thread Location: external
Brush Pressure Spring Type Accommodated: helical compression
Brush Spring Adjustability: nonadjustable
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 0.250 inches nominal
Mounting Facility: press fit
Terminal Type: tab
Style Designator: round offset
Thread Size And Series/Type Designator: 0.438-27 uns

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
R26-169	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-421-4200?

The FSCG of the NSN 5977-00-421-4200 is 5977

Does the NSN 5977-00-421-4200 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-421-4200 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 5977-00-421-4200 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-421-4200 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 5977-00-421-4200 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970