NSN 5977-00-074-5839

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-074-5839 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: 1334477P1, 1334477P1, 134477P01, 1334477P01, 1539666, 1334477P1, 5977-00-074-5839, 00-074-5839, 5977000745839, 000745839

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-074-583900302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

CONCAVE ON BEVEL

ONE PIECE

Cross Reference | NSN 5977-00-074-5839
Part Number Cage Code Manufacturer
1334477P186460ELF ATOCHEM NORTH AMERICA INC
1334477P124446GENERAL ELECTRIC COMPANY
134477P010AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
1334477P0134990NATIONAL ELECTRICAL CARBON PRODUCTSINC
153966680064NAVAL SHIP SYSTEMS COMMAND
1334477P108800VON ROLL USA, INC.
Technical Data | NSN 5977-00-074-5839
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE R780 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THICKNESS0.355 INCHES MINIMUM AND 0.369 INCHES MAXIMUM
LENGTH1.875 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS2.250 INCHES NOMINAL
BEVEL ANGLE30.0 DEGREES NOMINAL
TOP STYLE6B FLAT
ANGLE30.0 DEGREES NOMINAL
CLIP TYPE NEMA HAMMER TYPE ANGULAR A-EXTENDED
CLIP LENGTH0.750 INCHES NOMINAL
CLIP BEVEL ANGLE IN DEG30.0 NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR2
TERMINAL TYPE AND QUANTITY1 TUBULAR W/HOLE
TERMINAL HOLE DIAMETER0.219 INCHES NOMINAL