| 
                                    
                                 | 
                             
                            
                                
                                     
                                 | 
                             
		                    
		                        
		                             National Stock Number: 4820-00-678-0293
  Federal Supply Class: 4820
  National Item Identification Number: 006780293
  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. 
		                         | 
		                     
		                    
		                        
                                    
  Manufacturer Information:
 | 7298-10 | 81412 | TREADWELL CORPORATION (DELAWARE) |  | 7298-10-72-73 | 81412 | TREADWELL CORPORATION (DELAWARE) |  | 7298-72AND73 | 81412 | TREADWELL CORPORATION (DELAWARE) |   
		                         | 
		                     
				            
					            
						            
  Techincal Specification:
 | BOLT CIRCLE DIAMETER | 2.795 INCHES NOMINAL |  | BOLT HOLE QUANTITY | 12 |  | HOLE DIAMETER | 0.250 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.025 INCHES NOMINAL |  | III MATERIAL | RUBBER SYNTHETIC |  | PROPRIETARY CHARACTERISTICS | PACS |  | OUTSIDE DIAMETER | 3.365 INCHES NOMINAL |  | SPECIAL FEATURES | BRASS ORIFICE PLATE IN CENTER OF DIAPHRAGM,FURNISHED W/POLYTETRAFLUOROETHYLENE VALVE DISK |  | STYLE DESIGNATOR | FLAT |   
					             | 
				             
		                 
		             |