492-21672

View detailed technical data, stock status, and sourcing information for: 492-21672
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-678-0791

Item Name Code

00302

Assigment Date

01/01/1963 (63 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.406 inches nominal radius, 0.094 inches nominal head length, 4000 feet per minute peripheral speed, 0.147 inches nominal head diameter, rectangular slip ring body style

Product Characteristics

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

Peripheral Speed: 4000 feet per minute
Body Style: rectangular slip ring
Head Diameter: 0.147 inches nominal
Head Length: 0.094 inches nominal
Radius: 0.406 inches nominal
Width: 0.187 inches nominal
Thickness: 0.187 inches nominal
Length: 0.688 inches nominal
Neck Diameter: 0.142 inches nominal
Spring Free Length: 1.625 inches nominal
Neck Length: 0.040 inches nominal
Largest Outside Diameter: 0.190 inches nominal
Top Style: cylindrical head with neck
Contact Face Style: concave
Pressure Spring Type And Quantity: 1 cylindrical
Material: electrographitic
Material Document And Classification: union carbide corp,grade ay mfr ref single material response
Style Designator: one piece

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-00-300-9070	No Name Available	08/01/1986

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
202235	Electrical Contact Brush
202235RA	Electrical Contact Brush
492-21672	Electrical Contact Brush
586-300-1719713REVGTC38BRUSH	Electrical Contact Brush
8677-002PC38BRS	Electrical Contact Brush
8677-002REVGTC38BRUSH	Electrical Contact Brush
V314	Electrical Contact Brush
V359	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-678-0791?

The FSCG of the NSN 5977-00-678-0791 is 5977

Does the NSN 5977-00-678-0791 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-678-0791 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 5977-00-678-0791 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-678-0791 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 5977-00-678-0791 was assigned to the Federal Catalog?

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