>> Search results for: RW189940ITEM31A NSN Search Results National Stock Number (NSN) Description 4320-01-388-7047, 4320013887047 IMPELLER,PUMP,CENTRIFUGAL 4320-01-690-3902 , 4320016903902 IMPELLER,PUMP,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