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National Stock Number:
5977-00-284-9971
Federal Supply Class:
5977
National Item Identification Number:
002849971
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:
| A109691-1 | 06845 | RAYTHEON COMPANY | | A68440RA6844-1 | 66099 | ZENITH RADIO CORP OF IOWA | | AA109692-10RAA109692-2 | 06845 | RAYTHEON COMPANY | | SC-D-99877-15 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| BODY STYLE | RECTANGULAR COMMUTATOR | | BRUSH SHUNT LENGTH | 0.906 INCHES MINIMUM AND 1.031 INCHES MAXIMUM SINGLE SHUNT | | CONTACT FACE STYLE | CONCAVE | | LARGEST OUTSIDE DIAMETER | 0.390 INCHES NOMINAL | | LENGTH | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MORGANITE INC,GRADE C-3 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | METAL GRAPHITE | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 5 | | PRESSURE SPRING TYPE AND QUANTITY | 1 CYLINDRICAL WITH REDUCED END | | RADIUS | 0.719 INCHES NOMINAL | | WIDTH | 0.433 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | SPRING FREE LENGTH | 1.938 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL DIAMETER | 0.531 INCHES NOMINAL | | TERMINAL TYPE AND QUANTITY | 1 ROUND CAP W/EARS | | THICKNESS | 0.183 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
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