5977-00-644-2917 BRUSH,ELECTRICAL CONTACT Index 5977-00-644-2920 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-644-2918

Federal Supply Class:
5977

National Item Identification Number:
006442918

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:
5977-644-291803950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
D575944541MAGNETICS INTL INC


Techincal Specification:
BODY STYLERECTANGULAR SLIP RING
BRUSH SHUNT LENGTH1.625 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LARGEST OUTSIDE DIAMETER0.375 INCHES NOMINAL
LENGTH0.906 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSUPERIOR CARBON PRODUCTS INC,GRADE 469 MFR REF SINGLE MATERIAL RESPONSE
MATERIALGRAPHITE
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
RADIUS1.031 INCHES NOMINAL
WIDTH0.427 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
SPRING FREE LENGTH1.625 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL DIAMETER0.750 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP
THICKNESS0.427 INCHES MINIMUM AND 0.431 INCHES MAXIMUM


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