supply of coal mill spares , seal wear ring, moc-en-31, hardness-55 rc ( minimum ) , dimensions & specifications as per attached drawing ) , support wheel of hot shut off gate with pin. ( as per sample ) , cap nut for hot air damper shaft. ( as per sample ) , bush for hot air damper shaft. ( as per sample ) , drive end bush of hot air damper. ( as per sample ) , non drive end bush of hot air damper ( as per sample ) , ventury vane made of wear resistant weld overlay plates 6 / 9 mm grade 2565 ( with 60% m7c3 ) of 6mm carbide layer with 09 mm ms base plate ( as per drawing ) , bottom insulation cover plate ( 1 set =8 segments ) moc-is:2062 ( as per drawing ) , s.s. seal for hot shut off gates. ( as per drawing )