5977-00-228-7072 BRUSH,ELECTRICAL CONTACT Index 5977-00-228-7078 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-228-7075

Federal Supply Class:
5977

National Item Identification Number:
002287075

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:
2103107829BODINE ELECTRIC COMPANY
N313207829BODINE ELECTRIC COMPANY
SCD61062-180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH0.875 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
HEAD DIAMETER0.175 INCHES NOMINAL
HEAD LENGTH0.094 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER0.170 INCHES NOMINAL
LENGTH0.719 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,CARBON PRODUCTS INC,COPHITE GR 39 MFR REF SINGLE MATERIAL RESPONSE
MATERIALMETAL GRAPHITE
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL WITH REDUCED END
RADIUS0.625 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
SPRING FREE LENGTH1.125 INCHES NOMINAL
WIDTH0.240 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
THICKNESS0.182 INCHES NOMINAL
TOP STYLECYLINDRICAL HEAD


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