>> Search results for: D311620 NSN Search Results National Stock Number (NSN) Description 1660-99-251-2628, 1660992512628 HEAT EXCHANGER,AIR TO AIR,AIRCRAFT 6320-99-798-2214 , 6320997982214 BASE PIECE,HORN 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