NSN 5977-00-239-4134

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-239-4134 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: 5377509, 5377509, 61008706, RC243218, RC24-3218, NEMA PUB CB1, PA4982, RC243218, RC24-3218, 5977-00-239-4134, 00-239-4134, 5977002394134, 002394134

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-239-413400302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-239-4134, 002394134

FLAT

BRUSH,ELECTRICAL CO | 5977-00-239-4134, 002394134

CONCAVE ON BEVEL

BRUSH,ELECTRICAL CO | 5977-00-239-4134, 002394134

ONE PIECE

BRUSH,ELECTRICAL CO | 5977-00-239-4134, 002394134
Cross Reference | NSN 5977-00-239-4134
Part Number Cage Code Manufacturer
537750924617GENERAL MOTORS CORP
537750972560GENERAL MOTORS CORPDELCO PRODUCTS DIV
610087060AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
RC24-32180AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
NEMA PUB CB11P787NATIONAL ELECTRICAL MFRS ASSNDBA NEMA
PA498282214UNION CARBIDE CORPELECTRONIC SPECIALTY PRODUCTS GROUP
RC24-321882214UNION CARBIDE CORPELECTRONIC SPECIALTY PRODUCTS GROUP
Technical Data | NSN 5977-00-239-4134
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE SA-35 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.993 INCHES NOMINAL
THICKNESS0.743 INCHES NOMINAL
LENGTH2.188 INCHES NOMINAL
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS5.750 INCHES NOMINAL
BEVEL ANGLE28.0 DEGREES NOMINAL
TOP STYLE6A FLAT
ANGLE30.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATORA2$$A8
TERMINAL TYPE AND QUANTITY1 FLAG W/SLOT
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL
SPECIAL FEATURESSHUNTS BANDED TOGETHER 1.250 IN. FROM TERMINAL
PERIPHERAL SPEED7000 FEET PER MINUTE