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National Stock Number:
5977-00-250-9280
Federal Supply Class:
5977
National Item Identification Number:
002509280
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:
| 05-170-847PC28 | 01406 | ALLIS CHALMERS CORP | | 05-172-764PC27 | 01406 | ALLIS CHALMERS CORP | | NEMAPUBCB1-1961 | 81705 | NATIONAL ELECTRICAL MFRS ASSN | | 05-181-975-00-046 | 92392 | ALLIS-CHALMERS CORP |
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Techincal Specification:
| BASIC SHAPE STYLE | UNTHREADED DOUBLE THROUGH HOLE | | BODY STYLE | RECTANGULAR COMMUTATOR | | CONTACT FACE STYLE | FLAT | | DISTANCE BETWEEN HOLE CENTERS | 0.625 INCHES NOMINAL | | DISTANCE FROM BRUSH TOP TO HOLE CENTERLINE | 0.250 INCHES NOMINAL | | DISTANCE FROM CENTER OF HOLE TO OUTSIDE EDGE | 0.313 INCHES NOMINAL | | HOLE DIAMETER | 0.203 INCHES NOMINAL | | LENGTH | 1.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | UNION CARBIDE CORP,GR AY MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | PERIPHERAL SPEED | 4000 FEET PER MINUTE | | SHOULDER HEIGHT | 0.500 INCHES NOMINAL | | SHOULDER WIDTH | 0.125 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | THICKNESS | 0.500 INCHES NOMINAL | | TOP STYLE | FLAT WITH FRONT AND BACK SHOULDER | | WIDTH | 1.250 INCHES NOMINAL |
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