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		                             National Stock Number: 4820-00-586-1381
  Federal Supply Class: 4820
  National Item Identification Number: 005861381
  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:
 | 700736258P | 63686 | THE WALWORTH COMPANY |  | 700736258P | 90664 | WALWORTH CO MARINE DIV |  | 9877-7-Y-6 | 63686 | THE WALWORTH COMPANY |  | 9877-7-Y-6 4IN | 63686 | THE WALWORTH COMPANY |  | AG05397 4IN | 63686 | THE WALWORTH COMPANY |  | G653428 | 95995 | WALWORTH CO THE |  | T653428 | 95995 | WALWORTH CO THE |   
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  Techincal Specification:
 | MATERIAL | STEEL |  | NOMINAL THREAD SIZE | 1.562 INCHES |  | OUTSIDE DIAMETER | 4.479 INCHES NOMINAL |  | OVERALL HEIGHT | 3.310 INCHES NOMINAL |  | PRESSURE RATING | 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL |  | SEAT ANGLE | 14.0 DEGREES NOMINAL |  | THREAD CLASS | 3B |  | THREAD QUANTITY PER INCH | 12 |  | THREAD SERIES DESIGNATOR | UNS |   
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