A2056-1

View detailed technical data, stock status, and sourcing information for: A2056-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-438-2372

Item Name Code

02937

Assigment Date

09/05/1969 (56 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.

4.031 inches nominal overall length, 0.375-16 unc thread size and series/type designator, 1.062 inches nominal overall diameter, 2 brush quantity accommodated per holder, internal top thread location

Product Characteristics

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

Overall Length: 4.031 inches nominal
Overall Diameter: 1.062 inches nominal
Top Thread Location: internal
Brush Quantity Accommodated Per Holder: 2
Thread Size And Series/Type Designator: 0.375-16 unc

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
A2056-1	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-438-2372?

The FSCG of the NSN 5977-00-438-2372 is 5977

Does the NSN 5977-00-438-2372 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-438-2372 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 5977-00-438-2372 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-438-2372 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 5977-00-438-2372 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 5, 1969