3020-01-073-0898 GEAR,ANTIBACKLASH,SPUR Index 5977-01-073-0901 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-01-073-0899

Federal Supply Class:
5977

National Item Identification Number:
010730899

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:
0N17391698230NATIONAL SECURITY AGENCY
2-184416636TITAN CORP THE


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH0.725 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LARGEST OUTSIDE DIAMETER0.250 INCHES NOMINAL
LENGTH0.375 INCHES NOMINAL
MATERIALMETAL CARBON
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
PROPRIETARY CHARACTERISTICSPACS
RADIUS0.186 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR5
SPRING FREE LENGTH0.500 INCHES NOMINAL
SPECIAL FEATURESRETAINER SPRING; .031 IN. THK COPPER,FINISH; TINNED;FLEX LEAD;.002 DIAMETER WIRE,50 CONDUCTORS,3 STRANDS,600 CIRCULAR MILS
WIDTH0.312 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL LENGTH0.375 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 RECTANGULAR CAP W/EARS
TERMINAL WIDTH0.250 INCHES NOMINAL
TEST DATA DOCUMENT98230-0N173916 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THICKNESS0.125 INCHES NOMINAL


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