| 
                                    
                                 | 
                            
                            
                                
                                     
                                 | 
                            
		                    
		                        
		                             National Stock Number: 4820-00-375-6785
  Federal Supply Class: 4820
  National Item Identification Number: 003756785
  Description: SEAT,VALVE
  Detail: A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT. 
		                         | 
		                    
		                    
		                        
                                    
  Manufacturer Information:
 | 175782-0091 | 99657 | MAROTTA CONTROLS INC |   
		                         | 
		                    
				            
					            
						            
  Techincal Specification:
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 0.372 INCHES MINIMUM AND |   | 0.373 INCHES MAXIMUM |  | BODY OUTSIDE DIAMETER | 0.256 INCHES MINIMUM AND |   | 0.258 INCHES MAXIMUM |  | BODY INSIDE DIAMETER | 0.124 INCHES MINIMUM AND |   | 0.125 INCHES MAXIMUM |  | FLANGE SEAT TO DISK END HEIGHT | 0.080 INCHES MINIMUM AND |   | 0.085 INCHES MAXIMUM |  | UNDER FLANGE HEIGHT | 0.115 INCHES MINIMUM AND |   | 0.118 INCHES MAXIMUM |  | MATERIAL | PLASTIC POLYTRIFLUOROCHLOROETHYLENE OVERALL |  | SEATING SURFACE SHAPE | FLAT |  | SEAT RADIUS | 0.015 INCHES NOMINAL |   
					             |