5977-00-821-5040

Find complete technical information, availability, and procurement data for: 5977-00-821-5040
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-821-5040

Item Name Code

00302

Assigment Date

01/01/1962 (64 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.250 inches nominal length, 2 shunt position designator, 0.750 inches nominal width, 0.375 inches nominal thickness, rectangular commutator body style

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: 2
Body Style: rectangular commutator
Width: 0.750 inches nominal
Thickness: 0.375 inches nominal
Length: 1.250 inches nominal
Brush Shunt Length: 2.250 inches nominal single shunt
Top Style: beveled front
Contact Face Style: beveled
Bevel Angle: 20.0 degrees nominal
Shunt Insulation Provision And Quantity: 1 uninsulated
Angle: 40.0 degrees nominal
Terminal Bend Angle: 45.0 degrees nominal
Material: electrographitic
Material Document And Classification: national grade 581 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 bent w/slot

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-887-7337	No Name Available	11/22/1968

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
894A500-001	Electrical Contact Brush
894A500P01	Electrical Contact Brush
894A500PT1	Electrical Contact Brush
M-894A500-P1	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-821-5040?

The FSCG of the NSN 5977-00-821-5040 is 5977

Does the NSN 5977-00-821-5040 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-821-5040 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 5977-00-821-5040 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-821-5040 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 5977-00-821-5040 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962