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National Stock Number:
5977-00-247-5356
Federal Supply Class:
5977
National Item Identification Number:
002475356
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.
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Manufacturer Information:
| 11D7818ITEM7 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 777887 | 79500 | WESTINGHOUSE ELECTRIC CORP | | M777887 | 18783 | MIRAJ CORP | | NEMA PUB CB1 | 1P787 | NATIONAL ELECTRICAL MFRS ASSN DBA NEMA |
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Techincal Specification:
| STYLE DESIGNATOR | ONE PIECE | | MATERIAL | ELECTROGRAPHITIC | | BODY STYLE | RECTANGULAR SLIP RING | | MATERIAL DOCUMENT AND CLASSIFICATION | CARBONE CARBON GRADE WS86 MFR REF SINGLE MATERIAL RESPONSE | | WIDTH | 0.500 INCHES NOMINAL | | THICKNESS | 1.750 INCHES NOMINAL | | LENGTH | 2.000 INCHES NOMINAL | | CONTACT FACE STYLE | CONCAVE | | RADIUS | 2.500 INCHES NOMINAL | | TOP STYLE | FLAT WITH BACK EDGE BEVELED | | BEVEL DEPTH | 0.188 INCHES NOMINAL | | BEVEL LENGTH | 0.313 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 INSULATED | | SHUNT POSITION DESIGNATOR | 4 | | BRUSH SHUNT LENGTH | 5.000 INCHES NOMINAL SINGLE SHUNT | | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT | | TERMINAL SLOT WIDTH | 0.281 INCHES NOMINAL |
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