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National Stock Number:
5977-00-806-6645
Federal Supply Class:
5977
National Item Identification Number:
008066645
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:
| 53-614-891-003 | 01406 | ALLIS CHALMERS CORP | | 53-614-891PC003 | 92392 | ALLIS-CHALMERS CORP | | 61008275 | 0AHP6 | NATIONAL ELECTRICAL CARBON PRODUCTS, INC. | | MILB003743 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | RC20-4028 | 0AHP6 | NATIONAL ELECTRICAL CARBON PRODUCTS, INC. | | RC20-4028 | 42451 | UCAR CARBON CO INC |
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Techincal Specification:
| ANGLE | 20.0 DEGREES NOMINAL | | BEVEL ANGLE | 15.0 DEGREES NOMINAL | | BODY STYLE | RECTANGULAR COMMUTATOR | | BRUSH SHUNT LENGTH | 4.750 INCHES NOMINAL ALL SHUNTS | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 2.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | NATIONAL GRADE SA45 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | PERIPHERAL SPEED | 8000 FEET PER MINUTE | | SHUNT POSITION DESIGNATOR | 2 AND 8 | | SHUNT INSULATION PROVISION AND QUANTITY | 2 UNINSULATED | | SPECIAL FEATURES | CLIP TURNED UP 0.188 IN. LG IN LINE WITH BACK OF BRUSH | | WIDTH | 1.250 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL SLOT WIDTH | 0.219 INCHES NOMINAL | | TERMINAL TYPE AND QUANTITY | 2 STRAIGHT W/HOLE | | THICKNESS | 0.625 INCHES NOMINAL | | TOP STYLE | BEVELED FRONT |
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