G159780PC3

View detailed technical data, stock status, and sourcing information for: G159780PC3
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5977 Electrical Contact Brushes and Electrodes

National Stock Number

5977-00-239-7078

Item Name Code

00302

Assigment Date

01/01/1963 (63 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.

rectangular commutator body style, 1.250 inches nominal width, 8000 feet per minute peripheral speed, 2 and 8 shunt position designator, 0.750 inches nominal thickness

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 and 8
Peripheral Speed: 8000 feet per minute
Body Style: rectangular commutator
Width: 1.250 inches nominal
Thickness: 0.750 inches nominal
Length: 2.750 inches nominal
Brush Shunt Length: 4.500 inches nominal single shunt
Terminal Slot Width: 0.219 inches nominal
Top Style: beveled front
Contact Face Style: beveled
Bevel Angle: 15.0 degrees nominal
Clip Type: nema hammer type a
Shunt Insulation Provision And Quantity: 4 uninsulated
Angle: 20.0 degrees nominal
Criticality Code Justification: matt and mdcl
Special Features: center of clip turned up 0.250 in. w 0.188 in. lg in line with back brush
Material: electrographitic
Material Document And Classification: morganite inc,gr eg7788 mfr ref single material response
Style Designator: split
Terminal Type And Quantity: 2 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
01-12762	Electrical Contact Brush
01-12762-H	Electrical Contact Brush
05-180-051-00-066	Electrical Contact Brush
05-180-051-066	Electrical Contact Brush
G158-967	Electrical Contact Brush
G159780PC3	Electrical Contact Brush
K172471PC5EG7788	Electrical Contact Brush
MB12762CEG7788	Electrical Contact Brush

FAQs

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

What is the FSCG of the NSN 5977-00-239-7078?

The FSCG of the NSN 5977-00-239-7078 is 5977

Does the NSN 5977-00-239-7078 have a Schedule B code assigned?

Yes, the Schedule B code is 8545200000

Does NSN 5977-00-239-7078 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 5977-00-239-7078 contain precious materials?

Item does not contain precious metal.

Does NSN 5977-00-239-7078 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 5977-00-239-7078 was assigned to the Federal Catalog?

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