supply of yoke pin wear plateyoke pin wear plate,yoke pin wear plate to irs drawing no. wa/bd-4462, alt. 8, item no.-a. (note : as per r dso 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 m m minimum.(ii) liners shall be fitted in such a way that marking lies on opposite to wearing surface.) [ warran ty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]