5977-00-665-3944 BRUSH,ELECTRICAL CONTACT Index 5977-00-665-3946 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-665-3945

Federal Supply Class:
5977

National Item Identification Number:
006653945

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:
639143360AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
MILB00374381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NEMA N0. CB11P787NATIONAL ELECTRICAL MFRS ASSN DBA NEMA
NEMA NO. CB11P787NATIONAL ELECTRICAL MFRS ASSN DBA NEMA
RC08-08200AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
RC08-082042451UCAR CARBON CO INC


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
CONTACT FACE STYLEFLAT
CRITICALITY CODE JUSTIFICATIONMATT AND MDCL
HEAD DIAMETER0.203 INCHES NOMINAL
HEAD LENGTH0.125 INCHES NOMINAL
LENGTH0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE SA-25 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
PERIPHERAL SPEED6000 FEET PER MINUTE
WIDTH0.250 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
THICKNESS0.250 INCHES NOMINAL
TOP STYLECYLINDRICAL HEAD


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