>> Search results for: E4389 NSN Search Results National Stock Number (NSN) Description 4320-01-178-3406, 4320011783406 PUMP UNIT,ROTARY 2815-01-281-1310 , 2815012811310 TOOL,CLEANING,INJEC 4320-01-179-2954, 4320011792954 PUMP,ROTARY 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