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		                        | National Stock Number:
 4820-00-483-8443
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004838443
 
 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:
 
 | 32-0731 | 72914 | GRIMES AEROSPACE COMPANY |  | 32-0731-1 | 72914 | GRIMES AEROSPACE COMPANY | 
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 Techincal Specification:
 
 | BOLT HOLE QUANTITY | 4 |  | CENTER HOLE DIAMETER | 0.205 INCHES NOMINAL |  | CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 1.312 INCHES NOMINAL |  | CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 1.312 INCHES NOMINAL |  | HOLE DIAMETER | 0.180 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.020 INCHES NOMINAL |  | MATERIAL | RUBBER |  | OUTSIDE CORNER RADIUS | 0.125 INCHES NOMINAL |  | OVERALL LENGTH | 1.538 INCHES NOMINAL |  | OVERALL WIDTH | 1.538 INCHES NOMINAL |  | STYLE DESIGNATOR | FLAT | 
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