>> Search results for: E420ALT6 NSN Search Results National Stock Number (NSN) Description 4820-00-181-8911, 4820001818911 VALVE,REGULATING,FLUID PRESSURE 5340-00-664-3694 , 5340006643694 CUP,COMPRESSION 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information