supply of side frame anti rotation lug liner (244x23x1.6mm) as per drawing no.jhs/sk2441, s. no.11. material is silico manganese steel to is 3885 pt-i (reaffirmed-2022), gr iv. .(note : as per rdso letter no. mw/plng/csnb/vendor dated- 10/11/2023 (i) all silico- manganese liners shall be marked for manufacturer initial and month and the year of manufacturing by metal laser engraving in 6 mm size and 0.1 mm minimum.(ii) liners sh all be fitted in such a way that marking lies on opposite to wearing surface.) [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lac s ] ] => limited