Tender For corrigendum : supply of purchase of wilo make firefighting pump spares for model no 150 200 gst for tld4 power station : : - o ring , coupling key , impeller key , sleeve nut rh , sleeve nut l h , lock washer , lock nut , cowl nut rh , cowl nut lh , thrust collar , bearing housing nde , bearing housing de , break down bush , stuffing box bush , logging lantern ring , sleeve nde , sleeve de , water thrower , impeller second stage lh , neck ring