NSN 5977-00-378-3400

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-378-3400 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: B6094, SCD9987751, SC-D-99877-51, 5977-00-378-3400, 00-378-3400, 5977003783400, 003783400

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-378-340000302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-378-3400, 003783400

CONCAVE

BRUSH,ELECTRICAL CO | 5977-00-378-3400, 003783400

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-378-3400, 003783400
Cross Reference | NSN 5977-00-378-3400
Part Number Cage Code Manufacturer
B609478711TELEPHONICS CORPORATIONDBA COMMUNICATIONS SYSTEMS DIVISION
SC-D-99877-5180063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5977-00-378-3400
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL METAL GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL CARBON CO,GRADE HRG MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.250 INCHES NOMINAL
THICKNESS0.156 INCHES NOMINAL
LENGTH0.500 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
RADIUS0.500 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
SPRING FREE LENGTH1.188 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER0.185 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP W/EARS
TERMINAL DIAMETER0.312 INCHES NOMINAL