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National Stock Number:
5977-00-248-5005
Federal Supply Class:
5977
National Item Identification Number:
002485005
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:
| 20-5906 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 20-5906 | 51663 | HYDRO-AIRE AEROSPACE CORP. | | M20-5906 | 18783 | MIRAJ CORP | | 30-242440-100-2-01 | 28118 | HELWIG CARBON PRODUCTS INC | | 20-5906 | 56705 | DONALLCO INC | | 20-5906 | 75511 | AMETEK INC LAMB ELECTRIC DIV |
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Techincal Specification:
| BEVEL DEPTH | 0.125 INCHES NOMINAL | | BEVEL LENGTH | 0.210 INCHES NOMINAL | | BODY STYLE | RECTANGULAR | | BRUSH SHUNT LENGTH | | | CONTACT FACE STYLE | CONCAVE | | LENGTH | 0.406 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG GRADE E44 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ELECTROGRAPHITIC | | RADIUS | 0.422 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED | | SHUNT POSITION DESIGNATOR | 4 | | STYLE DESIGNATOR | ONE PIECE | | TERMINAL HOLE DIAMETER | 0.112 INCHES NOMINAL | | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/HOLE | | THICKNESS | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM | | TOP STYLE | FLAT WITH FRONT EDGE BEVELED | | WIDTH | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
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