supply of helical spring for high power dmu/dpc coacheshelical spring for high power dmu/dpc coaches,helical spring for high power dmu/dpc coaches as per icf drg.no. dmu/dpc-5-0-1-501,item n o.2 ,alt-%u2018k%u2019 or latest spedification rdso spec.no. wd-01-hls-1994,rev.03 of jan 2009 with am end no.1 of sept.2016(material is: 3195) or latest .(supply condition 1. inspection to be done by rdso .2 sprin gs with only green group as per icf drg.no. icf/std-9-0,alt-b or latest will be accepted. 3.material to be supplie d along with material test ceriticate for each spring.4. this item is safety and to be supplied by icf approved ven dors only. [ warranty period: 30 months after the date of delivery ] ]