NSN 5977-00-644-2922

Part Details | ELECTRICAL CONTACT BRUSH


5977-00-644-2922 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: S1196857, 29D264ITEM3, S1196857, 5977-00-644-2922, 00-644-2922, 5977006442922, 006442922

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-644-292200302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

CONCAVE ON BEVEL

ONE PIECE


Cross Reference | NSN 5977-00-644-2922
Part Number Cage Code Manufacturer
S119685779500WESTINGHOUSE ELECTRIC CORP
29D264ITEM379500WESTINGHOUSE ELECTRIC CORP
S119685711660WESTINGHOUSE ELECTRIC CORPCONTROL BUSINESS UNIT

Technical Data | NSN 5977-00-644-2922
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONWESTINGHOUSE ELECTRIC CORP,GRADE WM57 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.500 INCHES NOMINAL
THICKNESS0.375 INCHES NOMINAL
LENGTH2.250 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS3.563 INCHES NOMINAL
BEVEL ANGLE25.0 DEGREES NOMINAL
TOP STYLE8B FLAT
ANGLE40.0 DEGREES NOMINAL
CLIP TYPE NEMA HAMMER TYPE EXTENDED A
EXTENSION LENGTH0.250 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR10
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL
PERIPHERAL SPEED6000 FEET PER MINUTE