"Set Of Locking Plate And Keys For Pantograph Type Am-12 Comprising Of 3 It Ems 8 Nos. As Per Sketch No.Bsl.Elw.Sk.No.4006 Alt-2. Sr. Item Ord.Ref. Qty. 01 Adjustable S.000211 04 Nos. Lock Nut 02 Lock Plate S.000248 02 Nos. 03 Key S.000343 02 Nos. " As Per Drg .No. 23880417 "Set Of Locking Plate And Keys For Pantog Specn: "Set Of Locking Plate And Keys For Pantograph Type Am-12 Comprising Of 3 Items 8 Nos. As Pe [ Warranty Period: 30 M Onths After The Date Of Delivery ] ]