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National Stock Number:
5977-00-284-6565
Federal Supply Class:
5977
National Item Identification Number:
002846565
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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Techincal Specification:
| BODY STYLE | RECTANGULAR COMMUTATOR | | BRUSH SHUNT LENGTH | 0.688 INCHES NOMINAL SINGLE SHUNT | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 0.297 INCHES NOMINAL | | OUTER EDGE TO SLOT EDGE DISTANCE | 0.046 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | STACKPOLE CARBON CO,GRADE 199 MFR REF 1ST MATERIAL RESPONSE OR SUPERIOR CARBON CO,GRADE B54 MFR REF 2ND MATERIAL RESPONSE OR SPEER CARBON CO,GRADE B1192 MFR REF 3RD MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC OR SILVER GRAPHITE | | RADIUS | 0.175 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 8 | | SLOT DEPTH | 0.025 INCHES NOMINAL | | SLOT WIDTH | 0.030 INCHES NOMINAL | | SPECIAL FEATURES | RIGHT EDGE BEVELED | | WIDTH | 0.155 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | THICKNESS | 0.122 INCHES NOMINAL | | TOP STYLE | FLAT WITH RECTANGULAR SLOT |
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