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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
49671 LOCKHEED MARTIN CORP LOCKHEED MARTIN

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
ABNM THICKNESS 0.091 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
ABNM THICKNESS 0.091 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MORGANITE INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
CRBG SHUNT INSULATION PROVISION AND QUANTITY 1 UNINSULATED
AGEK SPRING FREE LENGTH ANY ACCEPTABLE
ABRY LENGTH 0.438 INCHES NOMINAL
CQGT CONTACT FACE STYLE CONCAVE
AEBT TERMINAL DIAMETER 0.312 INCHES NOMINAL
ABGL WIDTH 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
AAQL BODY STYLE RECTANGULAR COMMUTATOR
AHXP BRUSH SHUNT LENGTH 0.875 INCHES NOMINAL SINGLE SHUNT
STYL STYLE DESIGNATOR ONE PIECE
CRWQ PRESSURE SPRING TYPE AND QUANTITY 1 CYLINDRICAL
MATT MATERIAL GRAPHITE
AABU SHUNT POSITION DESIGNATOR 5
AGWM LARGEST OUTSIDE DIAMETER ANY ACCEPTABLE
ABGG RADIUS ANY ACCEPTABLE
TTQY TERMINAL TYPE AND QUANTITY 1 ROUND CAP W/EARS

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