NSN 5977-00-387-0049

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-387-0049 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: 704853, ANSINEMA PUB NO. CB1, ANSI/NEMA PUB NO. CB1, 704853, 5977-00-387-0049, 00-387-0049, 5977003870049, 003870049

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-387-004900302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-387-0049, 003870049

FLAT

BRUSH,ELECTRICAL CO | 5977-00-387-0049, 003870049

FLAT

BRUSH,ELECTRICAL CO | 5977-00-387-0049, 003870049

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-387-0049, 003870049
Cross Reference | NSN 5977-00-387-0049
Part Number Cage Code Manufacturer
70485388818KEARFOTT CORPORATIONDBA KEARFOTT
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
70485317771SINGER CO THE INDUSTRIAL SEWING ANDKNITTING DIV
Technical Data | NSN 5977-00-387-0049
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL COPPER GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC. GR CM9 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.750 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL
LENGTH1.500 INCHES NOMINAL
CONTACT FACE STYLE FLAT
TOP STYLE9 FLAT
CONVEX RADIUS0.125 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR2
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL
PERIPHERAL SPEED6000 FEET PER MINUTE