5977-00-839-1912 BRUSH,ELECTRICAL CONTACT Index 5930-00-839-1915 SWITCH,THERMOSTATIC

National Stock Number:
5977-00-839-1913

Federal Supply Class:
5977

National Item Identification Number:
008391913

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:
902093718876U S ARMY AVIATION AND MISSILE COMMAND
A815317472EATON AEROSPACE LLC
A815372121EATON MOTOR SITE


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH1.375 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLECONCAVE
LENGTH0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSTACKPOLE/CARBONE CARBON GRADE 40 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
RADIUS0.987 INCHES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR2
WIDTH0.839 INCHES MINIMUM AND 0.843 INCHES MAXIMUM
STYLE DESIGNATORONE PIECE
TERMINAL HOLE DIAMETER0.144 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 TUBULAR W/HOLE
THICKNESS0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
TOP STYLEFLAT WITH RIGHT EDGE BEVELED


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