>> Search results for: 520D0004 NSN Search Results National Stock Number (NSN) Description 5998-01-083-9738, 5998010839738 CIRCUIT CARD ASSEMBLY 5998-01-083-9739 , 5998010839739 CIRCUIT CARD ASSEMBLY 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