4930-00-032-1528 LUBRICATOR Index 5977-00-032-1530 BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-032-1529

Federal Supply Class:
5977

National Item Identification Number:
000321529

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:
9128256232LOCKHEED MARTIN CORPORATION
ANSI/NEMA PUB N0. CB181705NATIONAL ELECTRICAL MFRS ASSN
ANSI/NEMA PUB NO. CB181705NATIONAL ELECTRICAL MFRS ASSN
NEMAPUBCB1-1956 5-8X3-16X1-481705NATIONAL ELECTRICAL MFRS ASSN


Techincal Specification:
BODY STYLERECTANGULAR COMMUTATOR
CONTACT FACE STYLEFLAT
LENGTH0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,CARBON PRODDUCTS DIV,GRADE 258 MFR REF SINGLE MATERIAL RESPONSE
MATERIALELECTROGRAPHITIC
WIDTH0.250 INCHES NOMINAL
STYLE DESIGNATORONE PIECE
THICKNESS0.188 INCHES NOMINAL
TOP STYLEFLAT


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