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		                             National Stock Number: 1630-00-489-2812
  Federal Supply Class: 1630
  National Item Identification Number: 004892812
  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.
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  Manufacturer Information:
 | 9541519 | 0B9R9 | MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION |  | 9541519 | 25500 | LOCKHEED MARTIN CORPORATION |  | 9541519 | 73842 | GOODYEAR TIRE AND RUBBER CO THE |   
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  Techincal Specification:
 | BOLT CIRCLE DIAMETER | 4.750 INCHES NOMINAL |  | BRAKING AREA OUTSIDE DIAMETER | 12.625 INCHES NOMINAL |  | HYDRAULIC CYLINDER QUANTITY | 3 |  | HYDRAULIC CYLINDER DIAMETER | 2.125 INCHES NOMINAL |  | INSTALLATION LOCATION | LEFT HAND SIDE OR RIGHT HAND SIDE |  | LINING CONTACT SURFACE WIDTH | 2.088 INCHES NOMINAL |  | LINING FRICTION SURFACE AREA | 20.520 SQUARE INCHES NOMINAL |  | MOUNTING HOLE QUANTITY | 12 |  | MOUNTING HOLE DIAMETER | 0.328 INCHES NOMINAL |  | MOUNTING METHOD | ANCHOR PLATE FLANGE |  | OPERATION METHOD | HYDRAULIC |  | OVERALL DIAMETER | 13.250 INCHES NOMINAL |  | OVERALL WIDTH | 4.328 INCHES NOMINAL |  | ROTATING DISK THICKNESS | 0.400 INCHES NOMINAL |  | WHEEL SIZE FOR WHICH DESIGNED | 11.00 BY 12 IN. WHEEL |   
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