5977-00-388-0570 BRUSH,ELECTRICAL CONTACT Index 5977-00-388-0572 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-388-0571

Federal Supply Class:
5977

National Item Identification Number:
003880571

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:
33A57-162983EATON AEROSPACE, LLC
NEMAPUBCB1-196181705NATIONAL ELECTRICAL MFRS ASSN
RC08-08140AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
RC08-081442451UCAR CARBON CO INC


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH2.125 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLEFLAT
HEAD DIAMETER0.240 INCHES NOMINAL
HEAD LENGTH0.063 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER0.280 INCHES NOMINAL
LENGTH1.313 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GR F28 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
SPRING FREE LENGTH2.500 INCHES NOMINAL
SPECIAL FEATURESSPRING COMPRESSION FORCE TO BE 6.250 OZ. MIN AT 2.000 IN.,9.000 OZ. MAX AT 1.625 IN.
WIDTH0.250 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL DIAMETER0.406 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP
THICKNESS0.250 INCHES NOMINAL
TOP STYLECYLINDRICAL HEAD


Click here to Register for Free 30-day Trial