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National Stock Number:
5977-00-074-5839
Federal Supply Class:
5977
National Item Identification Number:
000745839
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:
| 1334477P01 | 34990 | NATIONAL ELECTRICAL CARBON PRODUCTS INC EAST STROUDSBURG-PA | | 1334477P1 | 08800 | VON ROLL USA, INC. | | 1334477P1 | 24446 | GENERAL ELECTRIC COMPANY | | 1334477P1 | 86460 | ELF ATOCHEM NORTH AMERICA INC | | 134477P01 | 0AHP6 | NATIONAL ELECTRICAL CARBON PRODUCTS, INC. | | 1539666 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| ANGLE | 30.0 DEGREES NOMINAL | | BEVEL ANGLE | 30.0 DEGREES NOMINAL | | BODY STYLE | RECTANGULAR COMMUTATOR | | BRUSH SHUNT LENGTH | 3.000 INCHES NOMINAL SINGLE SHUNT | | CLIP BEVEL ANGLE IN DEG | 30.0 NOMINAL | | CLIP TYPE | NEMA HAMMER TYPE ANGULAR A-EXTENDED | | CLIP LENGTH | 0.750 INCHES NOMINAL | | CONTACT FACE STYLE | CONCAVE ON BEVEL | | LENGTH | 1.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | NATIONAL GRADE R780 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | RADIUS | 2.250 INCHES NOMINAL | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 2 | | WIDTH | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL HOLE DIAMETER | 0.219 INCHES NOMINAL | | TERMINAL TYPE AND QUANTITY | 1 TUBULAR W/HOLE | | THICKNESS | 0.355 INCHES MINIMUM AND 0.369 INCHES MAXIMUM | | TOP STYLE | BEVELED BACK |
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