supply of striker casting wear platestriker casting wear plate,striker casting wear plate to rdso drg. no. wd-87056-s-1, alt. 4, conforming to rds o specification no. wd-70-bd-2010 (rev. 4). note :(i) all silico- manganese liners shall be marked for man ufacturer initial and month and the year of manufacturing by metal laser engraving in 6 mm size and 0.1 mm m inimum.(ii) liners shall be fitted in such a way that marking lies on opposite to wearing surface. [ warranty p eriod: 72 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]