>> Search results for: K2770 NSN Search Results National Stock Number (NSN) Description 4920-01-538-5421, 4920015385421 ADAPTER ASSEMBLY,INTERFACE DEVICE 1680-01-566-1390 , 1680015661390 INSTALLATION AND EQUIPMENT KIT,A 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