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		                        | National Stock Number:
 4820-00-321-0995
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 003210995
 
 Description:
 DISK,VALVE
 
 Detail:
 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
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 Manufacturer Information:
 
 | 3021336 | 00198 | PRATT & WHITNEY CANADA CORP |  | 3021336 | 98247 | CANADIAN COMMERCIAL CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL | ALUMINUM ALLOY |  | SPECIAL FEATURES | 2.370 IN.O/A LG, 2.750 IN. OD | 
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