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National Stock Number:
5977-00-729-9651
Federal Supply Class:
5977
National Item Identification Number:
007299651
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:
| 1906975 | 12472 | LOCKWOOD CORP | | 1906975 | 16764 | GENERAL MOTORS CORP DELCO REMY DIV | | 7M4845 | 11083 | CATERPILLAR INC | | 1906975 | 24617 | GENERAL MOTORS CORP | | 1906975 | 61928 | GENERAL MOTORS CORP AC-DELCO DIV GOVERNMENT ORDER DEPT | | 1906975 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | M1906975 | 18783 | MIRAJ CORP |
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Techincal Specification:
| THICKNESS | 0.242 INCHES MINIMUM AND | | 0.252 INCHES MAXIMUM | | LENGTH | 0.940 INCHES NOMINAL | | CONTACT FACE STYLE | CONCAVE | | RADIUS | 1.500 INCHES NOMINAL | | BEVEL ANGLE | 25.0 DEGREES NOMINAL | | TOP STYLE | BEVELED BACK | | ANGLE | 20.0 DEGREES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 8 | | BRUSH SHUNT LENGTH | 1.750 INCHES NOMINAL SINGLE SHUNT | | TERMINAL TYPE AND QUANTITY | 1 FLAG W/HOLE | | TERMINAL HOLE DIAMETER | 0.168 INCHES MINIMUM AND | | 0.172 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18783 | | DESIGN CONTROL REFERENCE | M1906975 | | STYLE DESIGNATOR | ONE PIECE | | MATERIAL | CARBON GRAPHITE | | BODY STYLE | RECTANGULAR COMMUTATOR | | WIDTH | 0.870 INCHES MINIMUM AND | | 0.880 INCHES MAXIMUM |
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