Parts list: № Number Qty Name Options 1 19M7810 4 Screw M10 X 80 2 AT31819 1 Fan OD = 533 mm 3 R501642 1 Hub TK = 50 mm; OD = 90 mm Next page: ST619482 2540 (BLOWER FAN) ST619483 2540 (BLOWER FAN) ST619484 2555 (BLOWER FAN) ST619480 2533 (BLOWER FAN) ST619479 2531 (BLOWER FAN) PICT-250.3 250 Fan PICT-250.2 250 Fan PICT-250.1 250 Fan