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Electrical Contact Brush NSN 5977-00-281-0999

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 5977-00-281-0999 NSN: 5977-00-281-0999

Features and Characteristics

Shunt Position Designator
5
Body Style
Rectangular commutator
Head Diameter
0.345 inches
Head Length
0.125 inches
Radius
0.460 inches
Width
Between 0.433 inches and 0.437 inches
Thickness
Between 0.185 inches and 0.187 inches
Length
Between 0.719 inches and 0.781 inches
Terminal Diameter
0.469 inches
Spring Free Length
2.063 inches
Largest Outside Diameter
0.345 inches
Brush Shunt Length
0.750 inches single shunt and 0.875 inches single shunt
Top Style
Cylindrical head
Contact Face Style
Concave
Shunt Insulation Provision And Quantity
1 uninsulated
Pressure Spring Type And Quantity
1 cylindrical
Material
Metal graphite
Material Specification
Morganite inc, gr c-5h21 mfr ref single material response
Style Designator
One piece
Terminal Type And Quantity
1 round cap w/ears
FSC
5977 Electrical Contact Brushes And Electrodes
NIIN
002810999
NSN
5977002810999

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
01-19766
Cage Code:
76468
Status:
A
MSDS:
Part Number:
MB19766A
Cage Code:
76468
Status:
A
MSDS:
Part Number:
30080-30
Cage Code:
20162
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 5977-00-281-0999
What are the manufacturers of nsn 5977002810999?
Does this nsn 5977002810999 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5977002810999
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 5977002810999 contain any precious metals?
Precious metal content is unknown.
Does nsn 5977002810999 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5977002810999?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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