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		                        | National Stock Number:
 4820-00-731-6916
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007316916
 
 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:
 
 | 540022PC2 | 86035 | CALGON CORP |  | B1257V | 18925 | PARKER-HANNIFIN CORPORATION |  | B1257V | 88233 | PARKER HANNIFIN CORPORATION DBA SCHRAEDER BELLOWS DIV PNEUMATIC DIVISION | 
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 Techincal Specification:
 
 | BOLT CIRCLE DIAMETER | 3.798 INCHES NOMINAL |  | BOLT HOLE QUANTITY | 6 |  | HOLE DIAMETER | 0.212 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.084 INCHES NOMINAL |  | MATERIAL | RUBBER SYNTHETIC |  | OUTSIDE DIAMETER | 4.320 INCHES NOMINAL |  | OVERALL HEIGHT | 0.457 INCHES NOMINAL |  | SPECIAL FEATURES | ABRIC REINFORCED |  | STYLE DESIGNATOR | SPECIAL SHAPED |  | TAPER MAJOR DIAMETER | 3.000 INCHES NOMINAL |  | TAPER MINOR DIAMETER | 2.125 INCHES NOMINAL | 
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