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National Stock Number:
5977-00-177-7899
Federal Supply Class:
5977
National Item Identification Number:
001777899
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:
| 36023 | 19070 | EASTERN AIR DEVICES INC DBA EAD MOTORS |
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Techincal Specification:
| BEVEL ANGLE | 30.0 DEGREES NOMINAL | | BODY STYLE | RECTANGULAR COMMUTATOR | | BRUSH SHUNT LENGTH | 1.625 INCHES NOMINAL SINGLE SHUNT | | CONTACT FACE STYLE | CONCAVE ON BEVEL | | CONVEX RADIUS | 0.125 INCHES NOMINAL | | LENGTH | 1.125 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | UNION CARBIDE CORP,CARBON PRODUCTS DIV,GR SA-45 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | PERIPHERAL SPEED | 8000 FEET PER MINUTE | | RADIUS | 1.188 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 8 | | WIDTH | 0.745 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL SLOT WIDTH | 0.144 INCHES NOMINAL | | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT | | THICKNESS | 0.245 INCHES NOMINAL | | TOP STYLE | CONVEX |
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