5977-00-280-9043 BRUSH,ELECTRICAL CONTACT Index 5977-00-280-9049 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-280-9048

Federal Supply Class:
5977

National Item Identification Number:
002809048

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:
3306DQ50380RELIANCE ELECTRIC
3306DQ71956RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS
610050470AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
NEMA N0. CB11P787NATIONAL ELECTRICAL MFRS ASSN DBA NEMA
NEMA NO. CB11P787NATIONAL ELECTRICAL MFRS ASSN DBA NEMA
RC12-440142451UCAR CARBON CO INC
S112444004010AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH3.000 INCHES NOMINAL SINGLE SHUNT
CLIP TYPENEMA HAMMER TYPE A
CONTACT FACE STYLEFLAT
LENGTH1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
SHUNT INSULATION PROVISION AND QUANTITY1 INSULATED
SHUNT POSITION DESIGNATOR8
TOP STYLEFLAT WITH RIGHT EDGE BEVELED
WIDTH1.375 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL HOLE DIAMETER0.281 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
THICKNESS0.375 INCHES NOMINAL


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