NSN 5977-00-557-6055

Part Details | ELECTRICAL CONTACT BRUSH


5977-00-557-6055 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: 254A151AFP12, 202C923P11, 25C9459P04, 25C4459P4, 25C4459P04, NEMA PUB CB1, 5977-00-557-6055, 00-557-6055, 5977005576055, 005576055

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-557-605500302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

BEVELED

SPLIT


Cross Reference | NSN 5977-00-557-6055
Part Number Cage Code Manufacturer
254A151AFP1203497GENERAL ELECTRIC COOUTDOOR BREAKER BUSINESS SECTION
202C923P1103497GENERAL ELECTRIC COOUTDOOR BREAKER BUSINESS SECTION
25C9459P040AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
25C4459P434990NATIONAL ELECTRICAL CARBON PRODUCTSINC
25C4459P0434990NATIONAL ELECTRICAL CARBON PRODUCTSINC
NEMA PUB CB11P787NATIONAL ELECTRICAL MFRS ASSNDBA NEMA

Technical Data | NSN 5977-00-557-6055
Characteristic Specifications
STYLE DESIGNATOR SPLIT
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE 581 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.250 INCHES NOMINAL
THICKNESS1.000 INCHES NOMINAL
LENGTH3.000 INCHES NOMINAL
CONTACT FACE STYLE BEVELED
BEVEL ANGLE15.0 DEGREES NOMINAL
TOP STYLE6A FLAT
ANGLE30.0 DEGREES NOMINAL
CLIP TYPE NEMA HAMMER TYPE A
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
SHUNT POSITION DESIGNATORA7$$A9
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.281 INCHES NOMINAL
SPECIAL FEATURESWITH FLUTES ON CONTACT FACE ARE ANGLED 45 DEG ACROSS WITH OF BRUSH
CRITICALITY CODE JUSTIFICATIONAMATT$$AMDCL