NSN 5977-00-139-5379

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-139-5379 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: B84991, B8499-1, 25597613140101, 25-597613-140-1-01, 5977-00-139-5379, 00-139-5379, 5977001395379, 001395379

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59SEP 01, 197100-139-537900302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT WITH RECTANGULAR SLOT

CONCAVE

ONE PIECE

Cross Reference | NSN 5977-00-139-5379
Part Number Cage Code Manufacturer
B8499-144180EMERSON ELECTRIC CO EMERSONINDUSTRIAL CONTROLS DIV DC MOTOR
25-597613-140-1-0128118HELWIG CARBON PRODUCTS, INC.
Technical Data | NSN 5977-00-139-5379
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONHELWIG CARBON PRODUCTS INC GRADE E22 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.760 INCHES NOMINAL
THICKNESS0.590 INCHES NOMINAL
LENGTH1.375 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
TOP STYLE FLAT WITH RECTANGULAR SLOT
SLOT DEPTH0.031 INCHES NOMINAL
SLOT WIDTH0.281 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.239 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR8
TERMINAL TYPE AND QUANTITY1 TUBULAR W/HOLE
TERMINAL HOLE DIAMETER0.219 INCHES NOMINAL