5977-00-539-6884 BRUSH,ELECTRICAL CONTACT Index 5977-00-539-6886 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-539-6885

Federal Supply Class:
5977

National Item Identification Number:
005396885

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:
254A151P1630221GENERAL ELECTRIC CO ARMAMENT AND ELECTRICAL SYSTEMS DEPT ELECTRICAL SYSTEMS PRODUCTS DEPT
254A151PC1603497GENERAL ELECTRIC CO OUTDOOR BREAKER BUSINESS SECTION
25C4459P090AHP6NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
25C4459P0934990NATIONAL ELECTRICAL CARBON PRODUCTS INC EAST STROUDSBURG-PA
MILB00374381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ANGLE30.0 DEGREES NOMINAL
BEVEL ANGLE15.0 DEGREES NOMINAL
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH4.500 INCHES NOMINAL ALL SHUNTS
CONTACT FACE STYLEBEVELED
CRITICALITY CODE JUSTIFICATIONMATT AND MDCL
LENGTH3.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL CARBON GRADE T563 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
SHUNT POSITION DESIGNATOR7 AND 9
SHUNT INSULATION PROVISION AND QUANTITY2 UNINSULATED
WIDTH1.250 INCHES NOMINAL
STYLE DESIGNATORSPLIT
TERMINAL SLOT WIDTH0.281 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
THICKNESS1.000 INCHES NOMINAL
TOP STYLEBEVELED FRONT


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