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		                        | National Stock Number:
 4820-00-590-6463
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 005906463
 
 Description:
 DIAPHRAGM,ACTUATOR VALVE,SPECIAL
 
 Detail:
 An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.
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 Manufacturer Information:
 
 | 010272-032-779 | 38683 | DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS DRESSER VALVE AND CONTROLS DIV |  | 10272-15 | 38683 | DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS DRESSER VALVE AND CONTROLS DIV | 
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 Techincal Specification:
 
 | BOLT CIRCLE DIAMETER | 12.000 INCHES NOMINAL |  | BOLT HOLE QUANTITY | 12 |  | CENTER HOLE DIAMETER | 0.330 INCHES NOMINAL |  | HOLE DIAMETER | 0.415 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.090 INCHES NOMINAL |  | MATERIAL | RUBBER SYNTHETIC |  | OUTSIDE DIAMETER | 13.000 INCHES NOMINAL |  | OVERALL HEIGHT | 1.000 INCHES NOMINAL |  | SPECIAL FEATURES | MATERIAL IS FABRIC REINFORCED |  | STYLE DESIGNATOR | SPECIAL SHAPED |  | TAPER MAJOR DIAMETER | 10.750 INCHES NOMINAL |  | TAPER MINOR DIAMETER | 8.500 INCHES NOMINAL | 
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