3SU1900-0BA31-0ND0-Z Y19Brand: SiemensMPN: 3SU1900-0BA31-0ND0-Z Y19Washer for EMERGENCY STOP, yellow, with inscription (Polish): Zatrzymanie symbol 5638, Awaryjne symbol 5638, Outer diameter 45 mm, Inside diameter 22.5 mm, ThicRequest a quote