supply of centre pivot vertical linercentre pivot vertical liner,centre pivot vertical liner for lwlh 25 bogie of boxns wagon as per rdso drawing no. wd- 13012-s/05 (sheet2/2), alt-4, item no-4 (note : as per rdso letter no.mw/plng/csnb/vendor dated- 10/1 1/2023 (i) all silico-manganese liners shall be marked for manufacturer initial and month and the year of m anufacturing by metal laser engraving in 6 mm size and 0.1 mm minimum.(ii) liners shall be fitted in such a way that marking lies on opposite to wearing surface.) [ warranty period: 30 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited