SET OF ' O ' RING FOR MSU, 1 AS PER ABB DRG NO IB012- 00754 SIZE DIA- 480 MM, THICKNESS- 8 MM, QTY- 02 NOS, 2 AS PER AS PER ABB DRG NO IB012- 00755 SIZE DIA- 382 MM, QTY- 01 NOS/ SET. MATERIAL NBR70 DIN 3771, ISO 3601, SET CONSISTS OF 02 ITEMS IN 03 NOS.