3110-01-069-2692 CONE AND ROLLERS,TAPERED ROLLER Index 5306-01-069-2694 BOLT,EYE

National Stock Number:
5977-01-069-2693

Federal Supply Class:
5977

National Item Identification Number:
010692693

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:
439113685NORTHFIELD ELECTRIC MOTOR CO INC


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH0.763 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LARGEST OUTSIDE DIAMETER0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
LENGTH0.562 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONHELWIG CARBON PRODUCTS INC GRADE E-22 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL WITH REDUCED END
RADIUS0.469 INCHES NOMINAL
WIDTH0.373 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL DIAMETER0.420 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 ROUND CAP
THICKNESS0.248 INCHES NOMINAL


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