>> Search results for: U20401 NSN Search Results National Stock Number (NSN) Description 6625-00-727-4706, 6625007274706 Cancelled -> Replaced by 6625011185886 4320-00-289-3664 , 4320002893664 RING,WEARING 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