NSN 5977-00-250-7643

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-250-7643 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: SP53326, SP53326CL1, SP53326, SP53326CL1, 5977-00-250-7643, 00-250-7643, 5977002507643, 002507643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-250-764300302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-250-7643, 002507643

FLAT

BRUSH,ELECTRICAL CO | 5977-00-250-7643, 002507643

BEVELED

BRUSH,ELECTRICAL CO | 5977-00-250-7643, 002507643

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-250-7643, 002507643
Cross Reference | NSN 5977-00-250-7643
Part Number Cage Code Manufacturer
SP5332695402ELECTRIC BOAT CORPDBA ELECTRO DYNAMIC
SP53326CL195402ELECTRIC BOAT CORPDBA ELECTRO DYNAMIC
SP5332696169ELECTRIC BOAT CORPORATION
SP53326CL196169ELECTRIC BOAT CORPORATION
Technical Data | NSN 5977-00-250-7643
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONSPEER CARBON CO,GR E44 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.750 INCHES NOMINAL
THICKNESS0.375 INCHES NOMINAL
LENGTH1.000 INCHES NOMINAL
CONTACT FACE STYLE BEVELED
BEVEL ANGLE30.0 DEGREES NOMINAL
TOP STYLE8A FLAT
ANGLE40.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR12
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
TERMINAL HOLE DIAMETER0.188 INCHES NOMINAL