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National Stock Number:
5977-00-090-2764
Federal Supply Class:
5977
National Item Identification Number:
000902764
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:
| ANSI/NEMA PUB N0. CB1 | 81705 | NATIONAL ELECTRICAL MFRS ASSN | | ANSI/NEMA PUB NO. CB1 | 81705 | NATIONAL ELECTRICAL MFRS ASSN | | S1074590 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | S1074590 | 79500 | WESTINGHOUSE ELECTRIC CORP | | S1173561 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |
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Techincal Specification:
| BASIC SHAPE STYLE | UNTHREADED DOUBLE THROUGH HOLE | | BODY STYLE | RECTANGULAR COMMUTATOR | | CONTACT FACE STYLE | FLAT | | CRITICALITY CODE JUSTIFICATION | MATT AND MDCL | | DISTANCE BETWEEN HOLE CENTERS | 0.375 INCHES NOMINAL | | DISTANCE FROM CENTER OF HOLE TO OUTSIDE EDGE | 0.250 INCHES NOMINAL | | DISTANCE FROM BRUSH TOP TO HOLE CENTERLINE | 0.250 INCHES NOMINAL | | HOLE DIAMETER | 0.125 INCHES NOMINAL | | LENGTH | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WESTINGHOUSE ELEC CO,GR WP 48B MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | WIDTH | 0.875 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | THICKNESS | 0.375 INCHES NOMINAL | | TOP STYLE | FLAT |
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