NSN 5977-00-250-9280

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-250-9280 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: 05172764PC27, 05-172-764PC27, 05170847PC28, 05-170-847PC28, 0518197500046, 05-181-975-00-046, NEMAPUBCB11961, NEMAPUBCB1-1961, 5977-00-250-9280, 00-250-9280, 5977002509280, 002509280

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-250-928000302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

UNTHREADED DOUBLE THROUGH HOLE

FLAT WITH FRONT AND BACK SHOULDER

FLAT

ONE PIECE

Cross Reference | NSN 5977-00-250-9280
Part Number Cage Code Manufacturer
05-172-764PC2701406ALLIS CHALMERS CORP
05-170-847PC2801406ALLIS CHALMERS CORP
05-181-975-00-04692392ALLIS-CHALMERS CORP
NEMAPUBCB1-196181705NATIONAL ELECTRICAL MFRS ASSN
Technical Data | NSN 5977-00-250-9280
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GR AY MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.250 INCHES NOMINAL
THICKNESS0.500 INCHES NOMINAL
LENGTH1.750 INCHES NOMINAL
CONTACT FACE STYLE FLAT
TOP STYLE FLAT WITH FRONT AND BACK SHOULDER
SHOULDER HEIGHT0.500 INCHES NOMINAL
SHOULDER WIDTH0.125 INCHES NOMINAL
BASIC SHAPE STYLE UNTHREADED DOUBLE THROUGH HOLE
HOLE DIAMETER0.203 INCHES NOMINAL
DISTANCE FROM CENTER OF HOLE TO OUTSIDE EDGE0.313 INCHES NOMINAL
DISTANCE BETWEEN HOLE CENTERS0.625 INCHES NOMINAL
DISTANCE FROM BRUSH TOP TO HOLE CENTERLINE0.250 INCHES NOMINAL
PERIPHERAL SPEED4000 FEET PER MINUTE