| 
                                    
                                 | 
                            
                            
                                
                                     
                                 | 
                            
		                    
		                        
		                             National Stock Number: 4820-00-371-8923
  Federal Supply Class: 4820
  National Item Identification Number: 003718923
  Description: VALVE,SEA
		                         | 
		                    
		                    
		                        
                                    
  Manufacturer Information:
 | 4336 | 71905 | DERBYSHIRE MACHINE & TOOL CO |  | 4810-935058PC1T06-12T014-16T019 | 81316 | PORTSMOUTH NAVAL SHIPYARD |  | SSS4810-935058 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 4810-935058PC1T06-12T014-16T019- | 81316 | PORTSMOUTH NAVAL SHIPYARD |   
		                         | 
		                    
				            
					            
						            
  Techincal Specification:
 | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | NAVY DRAWING NO. |   
					             |