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National Stock Number:
5977-00-387-0049
Federal Supply Class:
5977
National Item Identification Number:
003870049
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:
| 704853 | 17771 | SINGER CO THE INDUSTRIAL SEWING AND KNITTING DIV | | 704853 | 88818 | KEARFOTT CORPORATION | | 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:
| STYLE DESIGNATOR | ONE PIECE | | MATERIAL | COPPER GRAPHITE | | BODY STYLE | RECTANGULAR COMMUTATOR | | MATERIAL DOCUMENT AND CLASSIFICATION | MORGANITE INC. GR CM9 MFR REF SINGLE MATERIAL RESPONSE | | WIDTH | 0.750 INCHES NOMINAL | | THICKNESS | 0.250 INCHES NOMINAL | | LENGTH | 1.500 INCHES NOMINAL | | CONTACT FACE STYLE | FLAT | | TOP STYLE | CONVEX | | CONVEX RADIUS | 0.125 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 2 | | BRUSH SHUNT LENGTH | 3.500 INCHES NOMINAL SINGLE SHUNT | | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT | | TERMINAL SLOT WIDTH | 0.219 INCHES NOMINAL | | PERIPHERAL SPEED | 6000 FEET PER MINUTE |
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