NSN 5977-00-121-1301

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-121-1301 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: B95831, B9583-1, 5977-00-121-1301, 00-121-1301, 5977001211301, 001211301

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59NOV 01, 196800-121-130100302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-121-1301, 001211301

FLAT WITH RECTANGULAR SLOT

BRUSH,ELECTRICAL CO | 5977-00-121-1301, 001211301

CONCAVE ON BEVEL

BRUSH,ELECTRICAL CO | 5977-00-121-1301, 001211301

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-121-1301, 001211301
Cross Reference | NSN 5977-00-121-1301
Part Number Cage Code Manufacturer
B9583-144180EMERSON ELECTRIC CO EMERSONINDUSTRIAL CONTROLS DIV DC MOTOR
Technical Data | NSN 5977-00-121-1301
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONHELWIG CARBON PRODUCTS INC,GR 4029 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.360 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
THICKNESS0.496 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
LENGTH2.218 INCHES MINIMUM AND 2.282 INCHES MAXIMUM
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS4.719 INCHES MINIMUM AND 4.781 INCHES MAXIMUM
TOP STYLE FLAT WITH RECTANGULAR SLOT
SLOT DEPTH0.062 INCHES NOMINAL
SLOT WIDTH0.500 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.438 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 INSULATED
SHUNT POSITION DESIGNATOR8
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM
SPECIAL FEATURESBRUSH TOP BEVELED 30.0 DEG