5977-00-378-8570 BRUSH,ELECTRICAL CONTACT Index 5977-00-378-8576 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-378-8572

Federal Supply Class:
5977

National Item Identification Number:
003788572

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:
A-1748-173693SCHULZE MFG. INC.


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH1.172 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LENGTH1.094 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONPURE CARBON CO INC,GR PC810 MFR REF SINGLE MATERIAL RESPONSE
MATERIALCARBON
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
RADIUS0.469 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
SPRING FREE LENGTH2.312 INCHES NOMINAL
WIDTH0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
STYLE DESIGNATORONE PIECE
TERMINAL DIAMETER0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
TERMINAL TYPE AND QUANTITY1 ROUND CAP W/EARS
THICKNESS0.183 INCHES MINIMUM AND 0.185 INCHES MAXIMUM


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