Tenders for Supply of Interlock Washer Disc-Lock/Nord-Lock/ Lockrite.Size: M-20 For Three-Phase Locos As Per Rdso Sketch No. 2009-18 And Modification Sheet No. Mp.Mod.Vl-06.38.09 Rev.00 Dt. 30.11.09 & Rdso Letter No.El/3.1.35/12 Dt. 25.03.2014.. Interlock Washer Disc-Lock/Nord-Lock/ Lockrite.Size: M-20 For Three-Pha Se Locos As Per Rdso Sketch No. 2009-18 And Modification Sheet No. Mp.Mod.Vl-06.38.09 Rev.00 Dt. 30.11.09 & Rdso Letter No.El/3.1.35/12 Dt. 25.03.2014. Warranty Period: 30 Months After T He Date Of Delivery