>> Search results for: FNBE21 NSN Search Results National Stock Number (NSN) Description 5810-01-558-3999, 5810015583999 TELEPHONE,SECURE UNIT 5810-01-568-6699 , 5810015686699 Cancelled -> Replaced by 5810015583999 1305-13-110-6444, 1305131106444 CARTRIDGE,20 MILLIM 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