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National Stock Number:
5977-00-420-0986
Federal Supply Class:
5977
National Item Identification Number:
004200986
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:
| 9880 | 24885 | LOWNDES ENGINEERING CO INC | | MGB12 | 19728 | PRESTOLITE DIV OF BUNKER RAMO-ELTRA CORP ELTRA CORP | | MGB12 | 24975 | PRESTOLITE ELECTRIC INC | | MGB12 | 68505 | PRESTOLITE ELECTRIC INC |
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Techincal Specification:
| BODY STYLE | RECTANGULAR COMMUTATOR | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 0.475 INCHES NOMINAL | | MATERIAL | CARBON | | SHUNT POSITION DESIGNATOR | 10 AND 12 | | SHUNT INSULATION PROVISION AND QUANTITY | 2 INSULATED | | STYLE DESIGNATOR | ONE PIECE | | THICKNESS | 0.250 INCHES NOMINAL | | TOP STYLE | FLAT WITH LEFT AND RIGHT EDGE BEVELED | | WIDTH | 0.625 INCHES NOMINAL |
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