5977-00-250-7645 BRUSH,ELECTRICAL CONTACT Index 5977-00-250-7651 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-250-7649

Federal Supply Class:
5977

National Item Identification Number:
002507649

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:
475-4105-71762PC4680064NAVAL SHIP SYSTEMS COMMAND
475-4805-877169ALT1PC4680064NAVAL SHIP SYSTEMS COMMAND
475-6301-70397ALT1ITEM10880064NAVAL SHIP SYSTEMS COMMAND
D38629PC4695402ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC
D38700ALT1ITEM10895402ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC
D38629PC4696169ELECTRIC BOAT CORPORATION
PD358778429CARBON/GRAPHITE GROUP INC THE
SP5461795402ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC
SP5461796169ELECTRIC BOAT CORPORATION
D38700ALT1ITEM10896169ELECTRIC BOAT CORPORATION


Techincal Specification:
STYLE DESIGNATORONE PIECE
MATERIALELECTROGRAPHITIC
BODY STYLERECTANGULAR COMMUTATOR
MATERIAL DOCUMENT AND CLASSIFICATIONSPEER CARBON CO,GR E30 MFR REF SINGLE MATERIAL RESPONSE
WIDTH0.813 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL
LENGTH1.250 INCHES NOMINAL
CONTACT FACE STYLEBEVELED
BEVEL ANGLE30.0 DEGREES NOMINAL
TOP STYLEBEVELED FRONT WITH LEFT SHOULDER
ANGLE40.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR12
BRUSH SHUNT LENGTH3.000 INCHES NOMINAL SINGLE SHUNT
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/HOLE
TERMINAL HOLE DIAMETER0.344 INCHES NOMINAL
PERIPHERAL SPEED7000 FEET PER MINUTE


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