5977-00-644-2918 BRUSH,ELECTRICAL CONTACT Index 5977-00-644-2922 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-644-2920

Federal Supply Class:
5977

National Item Identification Number:
006442920

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:
31981408219STONE SAFETY CORP
X53496SH1PC1308219STONE SAFETY CORP
X55551SH1PC1308219STONE SAFETY CORP


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH2.500 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLEFLAT
LENGTH1.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONGLASTIC CORP, GRADE 1402-D MFR REF SINGLE MATERIAL RESPONSE
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR8
PERIPHERAL SPEED8000 FEET PER MINUTE
SPECIAL FEATURESMATERIAL - FIBERGLASS, POLYESTER, REINFORCED
WIDTH1.500 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL HOLE DIAMETER0.281 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
THICKNESS0.750 INCHES NOMINAL
TOP STYLEFLAT


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