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Worldwide distributor of NSN parts and consumables located in the USA.

Electrical Contact Brush

Model / MPN: 30300-1020 | NSN: 5977-00-557-5155
ITAR Registered seal

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.

Product Details
NATO Stock Number
5977-00-557-5155
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Rectangular commutator
Radius
1.440 inches
Width
Between 1.057 inches and 1.062 inches
Thickness
Between 0.495 inches and 0.500 inches
Length
1.310 inches
Brush Shunt Length
1.688 inches all shunts
Terminal Hole Diameter
0.203 inches
Top Style
Beveled front
Contact Face Style
Concave on bevel
Clip Type
Nema hammer type channel a
Shunt Insulation Provision And Quantity
2 insulated
Angle
30.0 degrees
Terminal Bend Angle
60.0 degrees
Material
Carbon graphite
Material Specification
General electric co, carbon products section, grade t464 mfr ref single material response
Precious Material And Location
Terminal silver
Precious Material And Weight
0.040 silver grains, troy
Precious Material
Silver
Style Designator
Paired
Terminal Type And Quantity
1 bent w/hole

Pricing and Availability

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30300-1020 Cross Reference
  • 64C15ITEM5
  • 30300-1020