5977-00-284-9900 BRUSH,ELECTRICAL CONTACT Index 5977-00-284-9902 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-284-9901

Federal Supply Class:
5977

National Item Identification Number:
002849901

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:
12615-855921CURTIS-TOLEDO INC.
17-13-3698981336CHIEF OF ENGINEERS DEPT OF ARMY
AW-10328835HOBART BROS CO


Techincal Specification:
BEVEL DEPTH0.250 INCHES NOMINAL
BEVEL LENGTH0.250 INCHES NOMINAL
BODY STYLERECTANGULAR SLIP RING
BRUSH SHUNT LENGTH3.750 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LENGTH1.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSUPERIOR CARBON PRODUCTS INC,GRADE 554 MFR REF SINGLE MATERIAL RESPONSE
MATERIALCOPPER GRAPHITE
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
RADIUS3.750 INCHES NOMINAL
SPECIAL FEATURESSTRAIGHT TYPE SHUNT TERMINAL W/SLOT
TOP STYLEFLAT WITH RIGHT EDGE BEVELED
WIDTH0.995 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL SLOT WIDTH0.188 INCHES NOMINAL
THICKNESS0.745 INCHES NOMINAL


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