>> Search results for: 998D0291 NSN Search Results National Stock Number (NSN) Description 4320-00-457-0634, 4320004570634 PUMP UNIT,CENTRIFUGAL 4320-00-525-9253 , 4320005259253 Cancelled -> Replaced by 4320009034933 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