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		                             National Stock Number: 4820-01-040-4501
  Federal Supply Class: 4820
  National Item Identification Number: 010404501
  Description: DIAPHRAGM,VALVE,FLAT
  Detail: An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not 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 a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET. 
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  Manufacturer Information:
 | 14495-21 | 41387 | SIEMENS INDUSTRY, INC. |  | 14495-55AND57 | 41387 | SIEMENS INDUSTRY, INC. |   
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  Techincal Specification:
 | BOLT CIRCLE DIAMETER | 2.885 INCHES NOMINAL |  | BOLT HOLE QUANTITY | 12 |  | HOLE DIAMETER | 0.285 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.016 INCHES NOMINAL |  | MATERIAL | RUBBER |  | OUTSIDE DIAMETER | 3.375 INCHES NOMINAL |   
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