84-50 - Contact switch dirt hopper Johnston VT VS 650 Product code: 84-50 - 282186-1 Manufacturer's symbol: 84-50 - 282186-1 Request quote 80-95 - O-ring Johnston VT/VS 80x3 NBR 70° Shore 860-1 - Labyrinth seal Johnston VT/VS 650 Valve block Pneumatic system black