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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BRUSH , ELECTRICAL CONTACT

Definition:

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.

CAGE Information

Code Company
38151 MARATHON ELECTRIC MANUFACTURING CORP

Federal Supply Class

Title

ELECTRICAL CONTACT BRUSHES AND E

Inclusions:

INCLUDES BRUSHES FOR ELECTRICAL ROTATING EQUIPMENT; CARBON STOCK FOR BRUSHES; BRUSH ARM AND HOLDERS; LIGHTING ELECTRODES.

Exclusions:

EXCLUDES ANODES; CATHODES; WELDING ELECTRODES.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MATT MATERIAL METAL GRAPHITE
MATT MATERIAL METAL GRAPHITE
CRBG SHUNT INSULATION PROVISION AND QUANTITY 1 UNINSULATED
ABRY LENGTH 0.688 INCHES NOMINAL
CQGT CONTACT FACE STYLE CONCAVE
AAQL BODY STYLE RECTANGULAR COMMUTATOR
AHXP BRUSH SHUNT LENGTH 0.875 INCHES NOMINAL SINGLE SHUNT
STYL STYLE DESIGNATOR ONE PIECE
ABNM THICKNESS 0.186 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
CRWQ PRESSURE SPRING TYPE AND QUANTITY 1 CYLINDRICAL
AGWM LARGEST OUTSIDE DIAMETER 0.226 INCHES NOMINAL
AABU SHUNT POSITION DESIGNATOR 5
MDCL MATERIAL DOCUMENT AND CLASSIFICATION PURE CARBON CO,GRADE GM-85 MFR REF SINGLE MATERIAL RESPONSE
ABGG RADIUS 0.594 INCHES NOMINAL
ABGL WIDTH 0.260 INCHES MINIMUM AND 0.264 INCHES MAXIMUM
AGEK SPRING FREE LENGTH 1.313 INCHES NOMINAL
TTQY TERMINAL TYPE AND QUANTITY 1 ROUND CAP W/EARS

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