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		                             National Stock Number: 4820-00-832-9888
  Federal Supply Class: 4820
  National Item Identification Number: 008329888
  Description: SEAT,VALVE
  Detail: A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT. 
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  Manufacturer Information:
 | 1661-592098 | 45681 | PARKER-HANNIFIN CORPORATION |  | 477MBV1 | 05415 | LINDE LIFT TRUCK CORP. |  | 592098 | 08752 | PARKER-HANNIFIN CORP FLUIDPOWER GROUP MOBILE HYDRAULICS DIV |  | 592098 | 09990 | PARKER-HANNIFIN CORPORATION |  | 592098 | 45681 | PARKER-HANNIFIN CORPORATION |  | 477MBV1 | 556A6 | LINDE MATERIAL HANDLING NORTH AMERICA CORP |  | T26778 | 75160 | DEERE & CO |  | 73372 | 95097 | LITTLE GIANT CRANE AND SHOVEL INC |   
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  Techincal Specification:
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 0.620 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |  | BODY INSIDE DIAMETER | 0.200 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.160 INCHES NOMINAL |  | UNDER FLANGE HEIGHT | 0.370 INCHES NOMINAL |  | MATERIAL | STEEL COMP 4140 OVERALL |  | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND |   | 55.0 ROCKWELL C MAXIMUM BODY |   | 50.0 ROCKWELL C MINIMUM AND |   | 55.0 ROCKWELL C MAXIMUM FACE |  | SEATING SURFACE SHAPE | ANGULAR |  | SEAT ANGLE IN DEG | 30.000 NOMINAL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 09990 |  | DESIGN CONTROL REFERENCE | 592098 |   
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