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Electrical Contact Brush NSN 5977-00-818-7993

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 5977-00-818-7993 NSN: 5977-00-818-7993

Features and Characteristics

Shunt Position Designator
2
Body Style
Rectangular commutator
Slot Depth
0.031 inches
Slot Width
0.313 inches
Radius
1.281 inches
Width
0.625 inches
Thickness
0.375 inches
Length
1.063 inches
Brush Shunt Length
2.750 inches single shunt
Terminal Slot Width
0.156 inches
Contact Face Style
Concave
Shunt Insulation Provision And Quantity
1 uninsulated
Outer Edge To Slot Edge Distance
0.125 inches
Special Features
Brush top shape, flat with beveled edge and rectangular slot
Material
Electrographitic
Material Specification
National carbon grade n2 mfr ref single material response
Style Designator
One piece
Terminal Type And Quantity
1 straight w/slot
FSC
5977 Electrical Contact Brushes And Electrodes
NIIN
008187993
NSN
5977008187993

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D18-140GRN2
Cage Code:
46175
Status:
A
MSDS:
Part Number:
63914541
Cage Code:
0AHP6
Status:
A
MSDS:
Part Number:
RC12-2003
Cage Code:
42451
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 5977-00-818-7993
What are the manufacturers of nsn 5977008187993?
Does this nsn 5977008187993 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5977008187993
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 5977008187993 contain any precious metals?
No precious metal content.
Does nsn 5977008187993 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5977008187993?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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