Tender For supply of set of o ring for motorsuspensionunit (msu) & traction motor end shield fo r gear case. material as per nbr 70-din 3771 (iso 3601) comprising o ring dia 480 mm thickne ss 8 mm to abb drg. no. ibo12-00754 qty 02 nos & o ring dia 382 mm thickness 8 mm to abb drg. no. ib012-00755 qty 01 no. (02 items 03 nos). [ warranty period: 30 months after the date of delivery ]