>> Search results for: LAM2971D3509 NSN Search Results National Stock Number (NSN) Description 4140-01-534-5347, 4140015345347 FAN 1660-01-534-5220 , 1660015345220 HEATER,AIRCRAFT 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