>> Search results for: B1N11A1 NSN Search Results National Stock Number (NSN) Description 4320-00-005-7491, 4320000057491 IMPELLER,PUMP,CENTRIFUGAL 4320-00-956-3020 , 4320009563020 IMPELLER,PUMP,CENTRIFUGAL 4320-00-482-4219, 4320004824219 IMPELLER,PUMP,CENTRIFUGAL 4320-00-885-9870 , 4320008859870 Cancelled -> Replaced by 4320009071047 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