National RADIO CASSETTE RECORDER junk and parts. Junk and parts This is National’s radio cassette player “RX-5100″ released in the late 70’s. It was kept at my parents’ house. [Operation confirmation] With power cable? Cassette tape? I was able to play, fast forward and rewind. The exterior has dirt and scratches. Please check the photos. This is an old item, so we appreciate your understanding. (4-10 days to arrival). For expensive items we recommend EMS. Depending on the size and weight after packing the items. Weekends are not available because post office is closed. International Buyers – Please Note.