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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
97403 CECOM LR CENTER

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 0.996 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
CRBG SHUNT INSULATION PROVISION AND QUANTITY 1 INSULATED
AABU SHUNT POSITION DESIGNATOR 2
BTHR TOP STYLE FLAT
AHXR TERMINAL SLOT WIDTH 0.220 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION NATIONAL GRADE 258 MFR REF SINGLE MATERIAL RESPONSE
CQGT CONTACT FACE STYLE CONCAVE
ABGG RADIUS 2.440 INCHES NOMINAL
TTQY TERMINAL TYPE AND QUANTITY 1 STRAIGHT W/SLOT
STYL STYLE DESIGNATOR ONE PIECE
FEAT SPECIAL FEATURES SLEEVING SHALLBE TREATED FIBERGLASS IN ACCORDANCE WITH MIL-T-152
ABGL WIDTH 0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
MATT MATERIAL ELECTROGRAPHITIC
AAQL BODY STYLE RECTANGULAR SLIP RING
AHXP BRUSH SHUNT LENGTH 4.000 INCHES MINIMUM SINGLE SHUNT AND 4.250 INCHES MAXIMUM SINGLE SHUNT
ABRY LENGTH 1.468 INCHES MINIMUM AND 1.531 INCHES MAXIMUM

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