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National Stock Number:
5977-00-447-4229
Federal Supply Class:
5977
National Item Identification Number:
004474229
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:
| DW1691 | 28835 | HOBART BROS CO |
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Techincal Specification:
| BODY STYLE | RECTANGULAR COMMUTATOR | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 1.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SUPERIOR CARBON PRODUCTS INC,GR 472G MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | PROPRIETARY CHARACTERISTICS | PACS | | OUTER EDGE TO SLOT EDGE DISTANCE | 0.435 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SLOT WIDTH | 0.125 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | SLOT DEPTH | 0.406 INCHES NOMINAL | | WIDTH | 0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT | | THICKNESS | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM | | TOP STYLE | FLAT WITH RECTANGULAR SLOT |
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