NSN 5977-00-357-7987

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-357-7987 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: 20481028P3, 2048-1028P3, 20481028P3, 2048-1028P3, 20481028P3, 2048-1028P3, 5977-00-357-7987, 00-357-7987, 5977003577987, 003577987

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59FEB 18, 197400-357-798700302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

CYLINDRICAL HEAD

BRUSH,ELECTRICAL CO | 5977-00-357-7987, 003577987

CONCAVE

BRUSH,ELECTRICAL CO | 5977-00-357-7987, 003577987

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-357-7987, 003577987
Cross Reference | NSN 5977-00-357-7987
Part Number Cage Code Manufacturer
2048-1028P349956RAYTHEON COMPANYDBA RAYTHEON
2048-1028P33B150RAYTHEON COMPANYDBA RAYTHEON
2048-1028P354X10RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5977-00-357-7987
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIALGC000 ANY ACCEPTABLE
WIDTH0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
THICKNESS0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
LENGTH0.825 INCHES MINIMUM AND 0.835 INCHES MAXIMUM
CONTACT FACE STYLE CONCAVE
RADIUS1.4758 INCHES MINIMUM AND 1.4761 INCHES MAXIMUM
TOP STYLE CYLINDRICAL HEAD
HEAD DIAMETER0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD LENGTH0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
SPRING FREE LENGTH1.312 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER0.185 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP
TERMINAL DIAMETER0.312 INCHES NOMINAL