5977-00-644-3190 BRUSH,ELECTRICAL CONTACT Index 5977-00-644-3192 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-644-3191

Federal Supply Class:
5977

National Item Identification Number:
006443191

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:
3364038151REGAL BELOIT AMERICA, INC.
610411290AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
MILB374381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NEMA PUB CB11P787NATIONAL ELECTRICAL MFRS ASSN DBA NEMA
RC28-40080AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
RC28-400842451UCAR CARBON CO INC


Techincal Specification:
BEVEL ANGLE24.0 DEGREES NOMINAL
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH4.500 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLEBEVELED
LENGTH2.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GRADE 549 MFR REF SINGLE MATERIAL RESPONSE
MATERIALMETAL GRAPHITE
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR8
WIDTH1.250 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
THICKNESS0.875 INCHES NOMINAL
TOP STYLEFLAT


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