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National Stock Number:
5977-00-553-7341
Federal Supply Class:
5977
National Item Identification Number:
005537341
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:
| A4922 | 46175 | PEERLESS-WINSMITH, INC. | | MILB003743 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | NEMAPUBCB1-1961 | 81705 | NATIONAL ELECTRICAL MFRS ASSN | | R22-121 | 46175 | PEERLESS-WINSMITH, INC. |
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Techincal Specification:
| BODY STYLE | WEDGE-SHAPE COMMUTATOR | | BRUSH SHUNT LENGTH | 4.125 INCHES NOMINAL SINGLE SHUNT | | CONTACT FACE STYLE | FLAT | | LENGTH | 1.375 INCHES NOMINAL | | MAJOR THICKNESS | 0.266 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SUPERIOR CARBON PRODUCTS INC,GR 449 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | GRAPHITE | | MINOR THICKNESS | 0.156 INCHES NOMINAL | | PERIPHERAL SPEED | 3500 FEET PER MINUTE | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 8 | | SPECIAL FEATURES | CORNER RADIUS ON WIDE SIDE OF BRUSH 0.063 IN. PLATED STARTING 0.375 IN. FROM CONTACT FACE | | WIDTH | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | ONE PIECE | | TOP STYLE | FLAT |
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