NSN 5977-00-005-7884

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-005-7884 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: B109701, B10970-1, 5977-00-005-7884, 00-005-7884, 5977000057884, 000057884

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JUN 19, 197200-005-788400302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

CONCAVE ON BEVEL

ONE PIECE

Cross Reference | NSN 5977-00-005-7884
Part Number Cage Code Manufacturer
B10970-144180EMERSON ELECTRIC CO EMERSONINDUSTRIAL CONTROLS DIV DC MOTOR
Technical Data | NSN 5977-00-005-7884
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONHELWIG CARBON PRODUCTS INC GRADE E-41 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.993 INCHES MINIMUM AND 0.998 INCHES MAXIMUM
THICKNESS0.369 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
LENGTH1.500 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS1.656 INCHES NOMINAL
BEVEL ANGLE109.0 DEGREES NOMINAL
TOP STYLE6A FLAT
ANGLE30.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR2
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM