NSN 5977-00-239-4149

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-239-4149 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: 532915632, 53-291-563-2, 53291563PC2, 53-291-563PC2, 532915632, 53-291-563-2, NEMAPUBCB11961, NEMAPUBCB1-1961, 532915632, 53-291-563-2, 5977-00-239-4149, 00-239-4149, 5977002394149, 002394149

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-239-414900302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-239-4149, 002394149

FLAT

BRUSH,ELECTRICAL CO | 5977-00-239-4149, 002394149

BEVELED

BRUSH,ELECTRICAL CO | 5977-00-239-4149, 002394149

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-239-4149, 002394149
Cross Reference | NSN 5977-00-239-4149
Part Number Cage Code Manufacturer
53-291-563-201406ALLIS CHALMERS CORP
53-291-563PC201406ALLIS CHALMERS CORP
53-291-563-292392ALLIS-CHALMERS CORP
NEMAPUBCB1-196181705NATIONAL ELECTRICAL MFRS ASSN
53-291-563-296365POWER SYSTEMS TECHNOLOGY INCDBA SYTEK
Technical Data | NSN 5977-00-239-4149
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL CARBON
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GR 405 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.620 INCHES NOMINAL
THICKNESS0.370 INCHES NOMINAL
LENGTH1.000 INCHES NOMINAL
CONTACT FACE STYLE BEVELED
BEVEL ANGLE15.0 DEGREES NOMINAL
TOP STYLE8A FLAT
ANGLE15.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 INSULATED
SHUNT POSITION DESIGNATOR12
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
TERMINAL HOLE DIAMETER0.188 INCHES NOMINAL
PERIPHERAL SPEED4000 FEET PER MINUTE