Eltra EPLB100S5C4R.914 Absolute Potentiometer Linear potentiometer transducer.
Up to IP65 protection sealing.
Stroke length 100 mm.
Ebclose rating: IP 65.
Displacement speed: 5m/s.
Working temperature: -30° ... +100°C.
Output tipe: DIN 43650-c 4 pin connector.
Output direction: radial
Not sure if they all work or not. All are used.