NSN 5977-00-552-1257

Part Details | ELECTRICAL CONTACT BRUSH


5977-00-552-1257 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: JHP13323, JHP13-323, 19946103, 19-946-103, PA5029, ANSINEMA PUB NO. CB1, ANSI/NEMA PUB NO. CB1, RC162406, RC16-2406, PA5029, 5977-00-552-1257, 00-552-1257, 5977005521257, 005521257

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-552-125700302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT WITH RECTANGULAR SLOT

CONCAVE

ONE PIECE


Cross Reference | NSN 5977-00-552-1257
Part Number Cage Code Manufacturer
JHP13-32302032HOLLINGSWORTH JOHN R CO
19-946-10375377KURZ & ROOT GENERATOR COMPANY, LLC
PA50290AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
RC16-240682214UNION CARBIDE CORPELECTRONIC SPECIALTY PRODUCTS GROUP
PA502982214UNION CARBIDE CORPELECTRONIC SPECIALTY PRODUCTS GROUP

Technical Data | NSN 5977-00-552-1257
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL METAL GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GR CO-3913 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.750 INCHES NOMINAL
THICKNESS0.500 INCHES NOMINAL
LENGTH1.125 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
RADIUS1.500 INCHES NOMINAL
TOP STYLE FLAT WITH RECTANGULAR SLOT
SLOT DEPTH0.063 INCHES NOMINAL
SLOT WIDTH0.344 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.203 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR8
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
SPECIAL FEATURESS7 TYPE TERMINAL PER INDUSTRIAL ASSN STD,NEMA PUB CB1-1961