>> Search results for: AC28012 NSN Search Results National Stock Number (NSN) Description 4120-01-559-4892, 4120015594892 AIR CONDITIONER 4130-01-559-5050 , 4130015595050 FILTER ELEMENT,AIR CONDITIONING 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