supply of perforated centre tube (spiral type) to scr drg no.scr/lofp sk.no.118, item-3, alt-4 and conforming to rdso spec.no. mp.0.2600.15,rev.05, mar, 2021. note: all the materials parts must be packed in rigid hard card board carton boxes convenient to handle.perforated centre tube (spiral type) to scr drg no.scr/lofp sk.no.118, item-3, alt-4 and conforming to rdso spec.no. mp.0.2600.15,rev.05, mar, 2021. note: all the materials parts must be packed in rigid hard card board carton boxes convenient to handle.,perforated centre tube (spiral type) to scr drg no.scr/lofp sk.no.118, item- 3, alt-4 and conforming to rdso spec.no. mp.0.2600.15,rev.05, mar, 2021. note: all the ma terials parts must be packed in rigid hard card board carton boxes convenient to hand le. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]