>> Search results for: 490291 NSN Search Results National Stock Number (NSN) Description 5999-01-537-4123, 5999015374123 CONTACT,ELECTRICAL 5998-99-193-7089 , 5998991937089 CIRCUIT CARD ASSEMB 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