Items - Spring Setting Device (SSD) to RDSO Drg. No. T-6216 (Alt-4) Dated 04.10.2019 for use with Zu-1-60 Thick Web Curved Switch B.G. ( 1673mm ) for 60 kg. ( UIC ) PSC sleepers as per specification IRS: for SSD for use with or Curved Switches (Provisional-2008) with latest amendment
