>> Search results for: DS1563 NSN Search Results National Stock Number (NSN) Description 4320-00-612-5079, 4320006125079 ROTOR,PUMP 4320-00-398-7160 , 4320003987160 ROTOR,PUMP 4320-00-420-1806, 4320004201806 ROTOR,PUMP 4320-00-396-2440 , 4320003962440 ROTOR,PUMP 5331-01-018-5384, 5331010185384 O-RING 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