5977-00-090-2704 BRUSH,ELECTRICAL CONTACT Index 5977-00-090-2710 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-090-2707

Federal Supply Class:
5977

National Item Identification Number:
000902707

Description:
BRUSH,ELECTRICAL CONTACT

Detail:
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.


Manufacturer Information:
79269788818KEARFOTT CORPORATION
ANSI/NEMA PUB N0. CB181705NATIONAL ELECTRICAL MFRS ASSN
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
PA49660AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
PA496642451UCAR CARBON CO INC
RC08-2009N0AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
RC08-2009N42451UCAR CARBON CO INC
X1R63-2688818KEARFOTT CORPORATION


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH6.500 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
CRITICALITY CODE JUSTIFICATIONMATT AND MDCL
LENGTH1.250 INCHES NOMINAL
OUTER EDGE TO SLOT EDGE DISTANCE0.172 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GR 259 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
PERIPHERAL SPEED6000 FEET PER MINUTE
RADIUS1.370 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR11
SLOT DEPTH0.031 INCHES NOMINAL
SLOT WIDTH0.281 INCHES NOMINAL
WIDTH0.625 INCHES NOMINAL
STYLE DESIGNATORPAIRED
THICKNESS0.250 INCHES NOMINAL
TOP STYLEFLAT WITH RECTANGULAR SLOT


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