5977-00-145-1446

Find complete technical information, availability, and procurement data for: 5977-00-145-1446
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-145-1446

Item Name Code

00302

Assigment Date

07/23/1969 (57 years ago)

An item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: contact, electrical; and contact assembly, electrical.

0.370 inches minimum and 0.374 inches maximum width, 0.047 inches nominal slot depth, rectangular body style, 0.219 inches nominal slot width, 2 shunt position designator

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
Slot Depth: 0.047 inches nominal
Slot Width: 0.219 inches nominal
Width: 0.370 inches minimum and 0.374 inches maximum
Thickness: 0.370 inches minimum and 0.374 inches maximum
Length: 1.219 inches minimum and 1.281 inches maximum
Brush Shunt Length: 3.000 inches minimum and 3.500 inches maximum single shunt
Terminal Slot Width: 0.219 inches nominal
Top Style: flat with rectangular slot
Contact Face Style: flat
Shunt Insulation Provision And Quantity: 1 uninsulated
Outer Edge To Slot Edge Distance: 0.078 inches nominal
Material: metal graphite
Material Document And Classification: helwig carbon products inc,gr 672 mfr ref single material response
Style Designator: one piece
Terminal Type And Quantity: 1 straight w/slot

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
946-114	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-145-1446?

The FSCG of the NSN 5977-00-145-1446 is 5977

Does the NSN 5977-00-145-1446 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-145-1446 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 5977-00-145-1446 contain precious materials?

Precious metal content is unknown

Does NSN 5977-00-145-1446 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 5977-00-145-1446 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jul 23, 1969