4320-01-345-0478 PUMPING UNIT,HYDRAULIC,POWER DRI Index 7520-01-345-0480 MARKER,TUBE TYPE

National Stock Number:
1630-01-345-0479

Federal Supply Class:
1630

National Item Identification Number:
013450479

Description:
BRAKE,SINGLE DISK

Detail:
A BRAKE CONSISTING ESSENTIALLY OF THE FOLLOWING: A. A SINGLE PIECE OR DIVIDED CYLINDER HOUSING DESIGNED TO BE MOUNTED ON THE TORQUE FLANGE OF AN AXLE. THE CYLINDER HOUSING HAS A SLOT OR GROOVE THROUGH WHICH THE DISK, BRAKE PASSES. IT CONTAINS A PISTON(S) OR PUSH ROD(S) WHICH PROVIDES THE HYDRAULIC OR MECHANICAL FORCE TO PRESS THE LINING, FRICTION AGAINST THE DISK, BRAKE. B. LINING, FRICTION. C. A DISK, BRAKE DESIGNED TO BE KEYED OR RIGIDLY ATTACHED TO A WHEEL OR ROTATING SHAFT.


Manufacturer Information:
9543601-30B9R9MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION
9543601-325500LOCKHEED MARTIN CORPORATION
9543601-40B9R9MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION
9543601-40GTG2LORAL CORP AIRCRAFT BRAKING SYSTEMS DIV


Techincal Specification:
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL
BRAKING AREA OUTSIDE DIAMETER8.441 INCHES MINIMUM AND 8.459 INCHES MAXIMUM
HYDRAULIC CYLINDER DIAMETER2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM
HYDRAULIC CYLINDER QUANTITY3
INSTALLATION LOCATIONLEFT HAND SIDE AND RIGHT HAND SIDE
LINING CONTACT SURFACE WIDTH0.256 INCHES NOMINAL
LINING FRICTION SURFACE AREA18.360 SQUARE INCHES NOMINAL
OPERATION METHODHYDRAULIC
OVERALL DIAMETER11.032 INCHES NOMINAL
OVERALL WIDTH3.440 INCHES NOMINAL
MOUNTING HOLE DIAMETER0.391 INCHES NOMINAL
MOUNTING METHODANCHOR PLATE FLANGE
MOUNTING HOLE QUANTITY8
ROTATING DISK THICKNESS0.188 INCHES NOMINAL
SPECIAL FEATURESITEM HAS IMPROVED PADS
WHEEL SIZE FOR WHICH DESIGNED22 BY 5.5 IN. WHEEL


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