>> Search results for: AF3409 NSN Search Results National Stock Number (NSN) Description 4130-01-388-1435, 4130013881435 FILTER ELEMENT,AIR CONDITIONING 4240-99-790-2851 , 4240997902851 CARTRIDGE 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