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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
42451 UCAR CARBON CO INC

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
ABGL WIDTH 1.000 INCHES NOMINAL
ABGL WIDTH 1.000 INCHES NOMINAL
AABU SHUNT POSITION DESIGNATOR 12
CRBG SHUNT INSULATION PROVISION AND QUANTITY 1 INSULATED
CQGT CONTACT FACE STYLE BEVELED
MDCL MATERIAL DOCUMENT AND CLASSIFICATION NATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE
CRMK ANGLE 40.0 DEGREES NOMINAL
TTQY TERMINAL TYPE AND QUANTITY 1 STRAIGHT W/HOLE
AAQL BODY STYLE RECTANGULAR COMMUTATOR
STYL STYLE DESIGNATOR ONE PIECE
AHXQ TERMINAL HOLE DIAMETER 0.687 INCHES NOMINAL
ABNM THICKNESS 0.375 INCHES NOMINAL
ABRY LENGTH 1.250 INCHES NOMINAL
MATT MATERIAL ELECTROGRAPHITIC
AACQ PERIPHERAL SPEED 7000 FEET PER MINUTE
BTHR TOP STYLE BEVELED FRONT WITH LEFT SHOULDER
CQPY BEVEL ANGLE 30.0 DEGREES NOMINAL
AHXP BRUSH SHUNT LENGTH 3.000 INCHES NOMINAL SINGLE SHUNT

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