NSN 5977-00-143-6718

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-143-6718 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: 32318, 32-318, 10863496, 5977-00-143-6718, 00-143-6718, 5977001436718, 001436718

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59OCT 11, 196800-143-671800302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

CONCAVE

ONE PIECE

Cross Reference | NSN 5977-00-143-6718
Part Number Cage Code Manufacturer
32-31896046CRANE PUMPS & SYSTEMS, INC.
1086349619207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5977-00-143-6718
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL CARBON
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
THICKNESS0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
LENGTH0.641 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
RADIUS0.500 INCHES NOMINAL
HEAD DIAMETER0.299 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD LENGTH0.094 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP W/EARS
TERMINAL DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM