NSN 5977-00-071-8302

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-071-8302 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.

Alternate Parts: 214A72, 5977-00-071-8302, 00-071-8302, 5977000718302, 000718302

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JUL 20, 196700-071-830200302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

CONCAVE

ONE PIECE

Cross Reference | NSN 5977-00-071-8302
Part Number Cage Code Manufacturer
214A7244940CUMMINS POWER GENERATION INC.
Technical Data | NSN 5977-00-071-8302
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-3743,NATIONAL CARBON GRADE 258 MIL SPEC SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.871 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
THICKNESS0.277 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
LENGTH1.156 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
RADIUS1.187 INCHES NOMINAL
TOP STYLE6A FLAT
ANGLE15.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 INSULATED
SHUNT POSITION DESIGNATOR5
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
TERMINAL HOLE DIAMETER0.189 INCHES NOMINAL