2520-00-318-1142 XMSN TRF ORD 8332883 Index 2530-00-318-1145 DIAPHRAGM ASSY,BRAK

National Stock Number:
2530-00-318-1143

Federal Supply Class:
2530

National Item Identification Number:
003181143

Description:
BRAKE DRUM

Detail:
A CIRCULAR SHAPED METAL ITEM DESIGNED TO BE CONNECTED TO A MACHINE OR VEHICLE SHAFT OR WHEEL AND USED TO RETARD, STOP OR PREVENT MOTION BY THE APPLICATION OF PRESSURE EXERTED BY BRAKE(S) OR BAND(S).


Manufacturer Information:
12MW42P276040MACK TRUCKS INC PARTS OPN
833290319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
ADJUSTMENT HOLENOT INCLUDED
ALIGNMENT HOLE QUANTITY8
BALANCING PADNOT INCLUDED
BRAKING SURFACE DIAMETER11.995 INCHES MINIMUM AND 12.005 INCHES MAXIMUM
BRAKING SURFACE LOCATIONINTERNAL
BRAKING SURFACE WIDTH5.250 INCHES NOMINAL
CENTER HOLE DIAMETER5.311 INCHES MINIMUM AND 5.313 INCHES MAXIMUM
COOLING FINNOT INCLUDED
FSC APPLICATION DATATRUCK
HOLE SIZE0.381 IN. MIN,0.388 IN. MAX DIA
HOLE SPACINGEQUALLY SPACED BETWEEN MTG HOLES ON 6.120 IN. MIN,6.125 IN. MAX BOLT CIRCLE
INSPECTION HOLEINCLUDED
OVERALL OUTSIDE DIAMETER14.000 INCHES NOMINAL
OVERALL WIDTH5.813 INCHES NOMINAL
MATERIALIRON CAST WEAR SURFACE
MATERIALSTEEL MOUNTING DISK
MOUNTING HOLE DIAMETER0.439 INCHES MINIMUM AND 0.441 INCHES MAXIMUM
MOUNTING HOLE QUANTITY16
MOUNTING HOLE SPACINGEQUALLY SPACED ON 7.248 IN. MIN,7.252 IN. MAX. BOLT CIRCLE
OIL DRAIN HOLENOT INCLUDED


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