NSN 5977-00-249-4274

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-249-4274 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: 5360106900501, 53-601-069-00-501, 10207, S1082426R201, ANSINEMA PUB NO. CB1, ANSI/NEMA PUB NO. CB1, S1082426R201, 5977-00-249-4274, 00-249-4274, 5977002494274, 002494274

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-249-427400302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

FLAT

FLAT

ONE PIECE

Cross Reference | NSN 5977-00-249-4274
Part Number Cage Code Manufacturer
53-601-069-00-50192392ALLIS-CHALMERS CORP
1020718783MIRAJ CORPORATION
S1082426R2010AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
S1082426R20182214UNION CARBIDE CORPELECTRONIC SPECIALTY PRODUCTS GROUP
Technical Data | NSN 5977-00-249-4274
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIAL METAL GRAPHITE
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL ELECTRIC CARBON GRADE 549 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH0.750 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL
LENGTH0.813 INCHES NOMINAL
CONTACT FACE STYLE FLAT
TOP STYLE FLAT
SHUNT INSULATION PROVISION AND QUANTITY2 INSULATED
SHUNT POSITION DESIGNATORA2$$A8
TERMINAL TYPE AND QUANTITY1 FLAG W/HOLE
TERMINAL HOLE DIAMETER0.219 INCHES NOMINAL
SPECIAL FEATURESFLAG TERMINAL TURNED TOWARD BRUSH
PERIPHERAL SPEED6000 FEET PER MINUTE