273H4D1

View detailed technical data, stock status, and sourcing information for: 273H4D1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-227-6500

Item Name Code

00302

Assigment Date

01/01/1961 (65 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.

0.746 inches minimum and 0.750 inches maximum thickness, rectangular commutator body style, 0.860 inches minimum and 0.875 inches maximum width, 13 shunt position designator, 2.280 inches nominal radius

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: 13
Body Style: rectangular commutator
Radius: 2.280 inches nominal
Width: 0.860 inches minimum and 0.875 inches maximum
Thickness: 0.746 inches minimum and 0.750 inches maximum
Length: 2.000 inches nominal
Brush Shunt Length: 4.000 inches nominal single shunt
Terminal Hole Diameter: 0.344 inches nominal
Top Style: beveled front
Contact Face Style: concave
Shunt Insulation Provision And Quantity: 1 uninsulated
Angle: 30.0 degrees nominal
Special Features: beveled edge location front
Material: metal graphite
Material Document And Classification: national carbon co,gr 549 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/hole

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
273H4D0D1	Electrical Contact Brush
273H4D1	Electrical Contact Brush
65-758720-400-5-01	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-227-6500?

The FSCG of the NSN 5977-00-227-6500 is 5977

Does the NSN 5977-00-227-6500 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-227-6500 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 5977-00-227-6500 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-227-6500 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 5977-00-227-6500 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961