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		                        | National Stock Number:
 4820-00-773-5848
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007735848
 
 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:
 
 | 3W21940 | 0AT62 | SIEMENS ENERGY, INC. |  | 3W21940 | 30760 | INGERSOLL RAND CO |  | 3W21940 | 51436 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND |  | 3W21940 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 3W21940 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |  | 3W21940 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |  | 3W21940 | 99285 | INGERSOLL-RAND CO ROCK DRILL DIV PLANT |  | W21940 | AE018 | DITTA SEGUINO AMBROGIO | 
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 Techincal Specification:
 
 | INSIDE DIAMETER | 0.812 INCHES NOMINAL |  | MATERIAL | STEEL |  | MEDIA FOR WHICH DESIGNED | AIR |  | OUTSIDE DIAMETER | 1.375 INCHES NOMINAL |  | OVERALL HEIGHT | 0.062 INCHES NOMINAL |  | STYLE DESIGNATOR | PLAIN | 
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