273H3D1

View detailed technical data, stock status, and sourcing information for: 273H3D1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-588-4301

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

11 shunt position designator, 0.371 inches minimum and 0.375 inches maximum thickness, rectangular commutator body style, 0.746 inches minimum and 0.750 inches maximum width, 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: 11
Body Style: rectangular commutator
Radius: 2.280 inches nominal
Width: 0.746 inches minimum and 0.750 inches maximum
Thickness: 0.371 inches minimum and 0.375 inches maximum
Length: 1.880 inches nominal
Brush Shunt Length: 2.990 inches minimum and 3.010 inches maximum single shunt
Terminal Hole Diameter: 0.280 inches nominal
Top Style: beveled front
Contact Face Style: concave on bevel
Bevel Angle: 30.0 degrees nominal
Shunt Insulation Provision And Quantity: 1 uninsulated
Angle: 30.0 degrees nominal
Material: graphite
Material Document And Classification: general electric,gr r-213 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-227-6499	No Name Available	05/30/1967

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
273H3D1	Electrical Contact Brush
721A434	Electrical Contact Brush
721A434-1	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-588-4301?

The FSCG of the NSN 5977-00-588-4301 is 5977

Does the NSN 5977-00-588-4301 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-588-4301 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 5977-00-588-4301 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-588-4301 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 5977-00-588-4301 was assigned to the Federal Catalog?

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