>> Search results for: DDG250 NSN Search Results National Stock Number (NSN) Description 6640-00-290-0142, 6640002900142 Cancelled -> Replaced by 6640005580645 6640-00-558-0645 , 6640005580645 FLASK,BOILING 4320-00-805-3845, 4320008053845 PUMP UNIT,CENTRIFUGAL 4320-00-805-3844 , 4320008053844 PUMP UNIT,CENTRIFUGAL 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