2077-2

View detailed technical data, stock status, and sourcing information for: 2077-2
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-942-0550

Item Name Code

00302

Assigment Date

12/07/1965 (60 years ago)

0.142 inches minimum and 0.148 inches maximum head diameter, 0.094 inches nominal head length, 0.244 inches minimum and 0.248 inches maximum width, rectangular commutator body style, 0.469 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.

Body Style: rectangular commutator
Head Diameter: 0.142 inches minimum and 0.148 inches maximum
Head Length: 0.094 inches nominal
Radius: 0.469 inches nominal
Width: 0.244 inches minimum and 0.248 inches maximum
Thickness: 0.119 inches minimum and 0.123 inches maximum
Length: 0.750 inches nominal
Top Style: cylindrical head
Contact Face Style: concave
Material: electrographitic
Material Document And Classification: national carbon co 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Below is a list of NSNs that have been officially superseded by this NSN: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
5977-00-537-6137	No Name Available	05/01/1986

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
2077-2	Electrical Contact Brush
3140-0390	Electrical Contact Brush
49213025	Electrical Contact Brush
SC-D-105822	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-942-0550?

The FSCG of the NSN 5977-00-942-0550 is 5977

Does the NSN 5977-00-942-0550 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-942-0550 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 5977-00-942-0550 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-942-0550 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 5977-00-942-0550 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Tue, Dec 7, 1965