5977-00-644-0192 BRUSH,ELECTRICAL CONTACT Index 5970-00-644-0194 INSULATOR,BUSHING

National Stock Number:
5977-00-644-0193

Federal Supply Class:
5977

National Item Identification Number:
006440193

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.


Manufacturer Information:
ANSI/NEMA PUB N0. CB181705NATIONAL ELECTRICAL MFRS ASSN
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
B8946-1-10819956NEI PEEBLES-ELECTRIC PRODUCTS INC
B8946-1-62319956NEI PEEBLES-ELECTRIC PRODUCTS INC
MIL-B-374381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILB00374381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
ANGLE40.0 DEGREES NOMINAL
BEVEL ANGLE30.0 DEGREES NOMINAL
BODY STYLERECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH3.500 INCHES NOMINAL SINGLE SHUNT
CONTACT FACE STYLEBEVELED
CRITICALITY CODE JUSTIFICATIONMATT AND MDCL
LENGTH1.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONGRADE 623,UNION CARBIDE CORP,CARBON PRODUCTS DIVISION MFR REF SINGLE MATERIAL RESPONSE
MATERIALGRAPHITE
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SHUNT POSITION DESIGNATOR12
PERIPHERAL SPEED6000 FEET PER MINUTE
WIDTH1.500 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
TERMINAL SLOT WIDTH0.344 INCHES NOMINAL
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
THICKNESS0.375 INCHES NOMINAL
TOP STYLEBEVELED FRONT WITH LEFT SHOULDER


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