NSN 5977-00-644-2710

Part Details | ELECTRICAL CONTACT BRUSH


5977-00-644-2710 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: 1905918, 1905918, 1905918, MILB3743, 1905918, 5977-00-644-2710, 00-644-2710, 5977006442710, 006442710

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-644-271000302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BEVELED

ONE PIECE


Cross Reference | NSN 5977-00-644-2710
Part Number Cage Code Manufacturer
190591824617GENERAL MOTORS CORP
190591816764GENERAL MOTORS CORPDELCO REMY DIV
19059187X677GENERAL MOTORS LLCDBA GENERAL MOTORS
MILB374381349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
19059181LW55REMY, INC.

Technical Data | NSN 5977-00-644-2710
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC,GRADE EC3X MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.250 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL
LENGTH1.125 INCHES NOMINAL
CONTACT FACE STYLE BEVELED
BEVEL ANGLE30.0 DEGREES NOMINAL
SLOT DEPTH0.047 INCHES NOMINAL
SLOT WIDTH0.375 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.438 INCHES NOMINAL
ANGLE25.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
SHUNT POSITION DESIGNATORA3$$A9
TERMINAL TYPE AND QUANTITY1 FLAG W/HOLE
TERMINAL HOLE DIAMETER0.196 INCHES NOMINAL
SPECIAL FEATURESTERMINAL BENT 45 DEG 0.109 IN. FROM SHUNT END BRUSH FRONT UNDERCUT 0.062 IN.,0.469 IN. FROM TOP OF BRUSH BRUSH TOP SHAPE BEVELED WITH RECTANGULAR SLOT TOP BEVEL SLOPES TO FRONT OF BRUSH
PERIPHERAL SPEED5000 FEET PER MINUTE