5977-00-451-6251

Find complete technical information, availability, and procurement data for: 5977-00-451-6251
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-451-6251

Item Name Code

02937

Assigment Date

05/27/1971 (55 years ago)

1.250 inches nominal overall length, 0.747 inches minimum and 0.749 inches maximum overall diameter, 1 mounting facility quantity, 0.376 inches minimum and 0.379 inches maximum inside width, 1.250 inches nominal inside length

Product Characteristics

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

Overall Length: 1.250 inches nominal
Overall Diameter: 0.747 inches minimum and 0.749 inches maximum
Inside Width: 0.376 inches minimum and 0.379 inches maximum
Inside Length: 1.250 inches nominal
Mounting Facility Quantity: 1
Top Thread Location: external
Brush Quantity Accommodated Per Holder: 1
Inside Thickness: 0.188 inches minimum and 0.191 inches maximum
Mounting Facility: press fit
Material: copper alloy 360 box
Style Designator: round beveled
Thread Size And Series/Type Designator: 0.562-27 uns

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5977-01-011-5333	No Name Available	10/01/1992

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
1533633	Electrical Contact Brush Holder
1544485	Electrical Contact Brush Holder
17-15KE17FIG9-5-62	Electrical Contact Brush Holder
65-2199	Electrical Contact Brush Holder

FAQs

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

What is the FSCG of the NSN 5977-00-451-6251?

The FSCG of the NSN 5977-00-451-6251 is 5977

Does the NSN 5977-00-451-6251 have a Schedule B code assigned?

Yes, the Schedule B code is 8545900000

Does NSN 5977-00-451-6251 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 5977-00-451-6251 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-451-6251 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 5977-00-451-6251 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Thu, May 27, 1971