NSN 5977-01-018-2738

Part Details | ELECTRICAL CONTACT BRUSH

5977-01-018-2738 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: 55208301, 55-2083-01, 5977-01-018-2738, 01-018-2738, 5977010182738, 010182738

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59MAR 24, 197601-018-273800302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

CONCAVE

ONE PIECE

Cross Reference | NSN 5977-01-018-2738
Part Number Cage Code Manufacturer
55-2083-0199167HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 5977-01-018-2738
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL CARBON GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONCARBONE GRADE 486 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.685 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
THICKNESS0.245 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
LENGTH0.580 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE
RADIUS0.578 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
TOP STYLE7C FLAT
BEVEL DEPTH0.188 INCHES NOMINAL
BEVEL LENGTH0.156 INCHES NOMINAL
ANGLE13.0 DEGREES MINIMUM AND 17.0 DEGREES MAXIMUM
SHUNT INSULATION PROVISION AND QUANTITY2 INSULATED
SHUNT POSITION DESIGNATORA2$$A8
TERMINAL TYPE AND QUANTITY1 TUBULAR W/HOLE
TERMINAL HOLE DIAMETER0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
SPECIAL FEATURESSHUNT INSULATION DIPPED IN CLEAR GLYPTAL /OR EQUIV/ 0.120 IN. EACH END