5977-01-269-7836 BRUSH,ELECTRICAL CONTACT Index 4730-01-269-7839 LOCKNUT,PIPE

National Stock Number:
5977-01-269-7837

Federal Supply Class:
5977

National Item Identification Number:
012697837

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:
04475540608MILLER ELECTRIC MFG CO
1512993BH04MILLER ELECTRIC MFG. LLC
15129940608MILLER ELECTRIC MFG CO


Techincal Specification:
BODY STYLERECTANGULAR SLIP RING
BRUSH SHUNT LENGTH1.625 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LARGEST OUTSIDE DIAMETER0.443 INCHES NOMINAL
LENGTH1.125 INCHES NOMINAL
MATERIALCARBON
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
SPRING FREE LENGTH2.500 INCHES NOMINAL
WIDTH0.362 INCHES MINIMUM AND 0.366 INCHES MAXIMUM
STYLE DESIGNATORONE PIECE
TERMINAL DIAMETER0.500 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP
THICKNESS0.738 INCHES MINIMUM AND 0.742 INCHES MAXIMUM


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