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National Stock Number:
5977-00-032-1493
Federal Supply Class:
5977
National Item Identification Number:
000321493
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:
| 162735 | 38740 | RELIANCE ELECTRIC INDUSTRIAL CO MASTER DIV | | 19613A | 38740 | RELIANCE ELECTRIC INDUSTRIAL CO MASTER DIV | | ANSI/NEMA PUB N0. CB1 | 81705 | NATIONAL ELECTRICAL MFRS ASSN | | ANSI/NEMA PUB NO. CB1 | 81705 | NATIONAL ELECTRICAL MFRS ASSN |
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Techincal Specification:
| BODY STYLE | RECTANGULAR | | BRUSH SHUNT LENGTH | 4.875 INCHES NOMINAL SINGLE SHUNT | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 1.250 INCHES NOMINAL | | OUTER EDGE TO SLOT EDGE DISTANCE | 0.172 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | UNION CARBIDE CORP,CARBON PRODUCTS DIV,GRADE SA-45 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | RADIUS | 1.375 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SLOT DEPTH | 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM | | SLOT WIDTH | 0.281 INCHES NOMINAL | | WIDTH | 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM | | STYLE DESIGNATOR | PAIRED | | THICKNESS | 0.245 INCHES MINIMUM AND 0.249 INCHES MAXIMUM | | TOP STYLE | FLAT WITH RECTANGULAR SLOT |
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