5977-00-280-9021 BRUSH,ELECTRICAL CONTACT Index 5977-00-280-9025 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-280-9023

Federal Supply Class:
5977

National Item Identification Number:
002809023

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:
ANSI/NEMA PUB N0. CB181705NATIONAL ELECTRICAL MFRS ASSN
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
RC28-44020AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
RC28-440231433KEMET ELECTRONICS CORPORATION
RC28-440242451UCAR CARBON CO INC
RC28-440272957ELLIOTT COMPANY
S1284472N8010AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.


Techincal Specification:
ANGLE50.0 DEGREES NOMINAL
BEVEL ANGLE40.0 DEGREES NOMINAL
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH5.000 INCHES NOMINAL ALL SHUNTS
CONTACT FACE STYLEBEVELED
LENGTH2.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
SHUNT POSITION DESIGNATOR10 AND 12
PERIPHERAL SPEED7000 FEET PER MINUTE
TOP STYLEBEVELED FRONT WITH LEFT AND RIGHT SHOULDER
WIDTH1.375 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.348 INCHES NOMINAL
THICKNESS0.875 INCHES NOMINAL


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