Contact Ring (Inner)For N32 Tap Changer For Conventional Locos. Spec/Drg N O- M/S Repl Pt. No. S 1608 Or M/S Ae Pt. No. G-1608 Or Rdso Drg No- Skel/4653. [ Warranty Perio D: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]