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Electrical Contact Brush NSN 5977-00-577-8402

Item Description

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.

NSN 5977-00-577-8402 NSN: 5977-00-577-8402

Features and Characteristics

Shunt Position Designator
1 and 3 and 7 and 9
Peripheral Speed
8000 feet per minute
Body Style
Rectangular commutator
Width
1.250 inches
Thickness
0.750 inches
Length
2.750 inches
Brush Shunt Length
4.500 inches all shunts
Terminal Slot Width
0.219 inches
Top Style
Beveled front
Contact Face Style
Beveled
Bevel Angle
15.0 degrees
Clip Type
Nema hammer type a
Shunt Insulation Provision And Quantity
4 uninsulated
Angle
20.0 degrees
Criticality Code Justification
Matt and mdcl
Special Features
Clip turned up 0.187 in. H, 0.250 in. W parallel to rear of brush
Material
Electrographitic
Material Specification
National electric carbon co. Grade sa-45 mfr ref single material response
Style Designator
Split
Terminal Type And Quantity
1 straight w/slot
FSC
5977 Electrical Contact Brushes And Electrodes
NIIN
005778402
NSN
5977005778402

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILB003743
Cage Code:
81349
Status:
A
MSDS:
Part Number:
61001761
Cage Code:
0AHP6
Status:
A
MSDS:
Part Number:
RC24-4045N
Cage Code:
0AHP6
Status:
A
MSDS:
Part Number:
PA4872A
Cage Code:
0AHP6
Status:
A
MSDS:
Part Number:
NEMAPUBCB1-1961
Cage Code:
81705
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8545200000
  • NAICS: 335991
  • SITC: 77886
  • Description: Carbon or graphite brushes of a kind used for electrical purposes
  • End Use (Code 20005):
    Electric apparatus

Q & A

Frequently asked questions for NSN 5977-00-577-8402
What are the manufacturers of nsn 5977005778402?
Does this nsn 5977005778402 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5977005778402
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.
Does nsn 5977005778402 contain any precious metals?
Precious metal content is unknown.
Does nsn 5977005778402 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5977005778402?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00302
FIIG:
A01500
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Quality Inspected Parts
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