NSN 5977-01-128-4790

Part Details | ELECTRICAL CONTACT BRUSH

5977-01-128-4790 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: 1852884, 1852884, 5977-01-128-4790, 01-128-4790, 5977011284790, 011284790

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59MAR 22, 198201-128-479000302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT WITH RECTANGULAR SLOT

FLAT

ONE PIECE

Cross Reference | NSN 5977-01-128-4790
Part Number Cage Code Manufacturer
185288416764GENERAL MOTORS CORPDELCO REMY DIV
18528841LW55REMY, INC.
Technical Data | NSN 5977-01-128-4790
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONSTACKPOLE CARBON GRADE 5052 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH37.8 MILLIMETERS MINIMUM AND 38.2 MILLIMETERS MAXIMUM
THICKNESS9.4 MILLIMETERS MINIMUM AND 9.6 MILLIMETERS MAXIMUM
LENGTH20.5 MILLIMETERS MINIMUM AND 21.3 MILLIMETERS MAXIMUM
CONTACT FACE STYLE FLAT
TOP STYLE FLAT WITH RECTANGULAR SLOT
SLOT DEPTH1.5 MILLIMETERS NOMINAL
SLOT WIDTH13.0 MILLIMETERS NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE12.4 MILLIMETERS MINIMUM AND 12.6 MILLIMETERS MAXIMUM
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
SHUNT POSITION DESIGNATORA2$$A8
TERMINAL TYPE AND QUANTITY1 BENT W/HOLE
TERMINAL HOLE DIAMETER4.3 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM
TERMINAL BEND ANGLE22.0 DEGREES NOMINAL
SPECIAL FEATURESRECTANGULAR SLOT IN TOP OF BRUSH ROUNDED 1.5 MILLIMETERS MAX RADIUS