| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-00-288-6788
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 002886788
 
 Description:
 VALVE,CHECK
 |  
		                        | 
 Manufacturer Information:
 
 | 13857211-1-2IN | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 4DP2041 | 63686 | THE WALWORTH COMPANY |  | 803-13857211-1/2IN | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 4DP2041-21 | 63686 | THE WALWORTH COMPANY |  | 803-1385721-7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
 |  
					            |  |  |