supply of o-ring for axle box size 250 x 3, n 70 nbr 1872 as per abb drawing no.ib 012-00750. rev-0 for 3 phase locos. as per drg.no. abb drawing no.o-ring for axle box size 250 x 3, n 70 nbr 1872 as per abb drawing no.ib 012-00750. rev-0 for 3 phase locos. as per drg.no. abb drawing no.,o-ring for axle box size 250 x 3, n 70 nbr 1872 as per abb drawing no.ib 012-00750. rev-0 for 3 phase locos. as per drg.no. abb drawing no.ib 012-00750 specn: --- [ 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 ] ] => limited