Spring Suspension & Axle Box Components Consists Of 11 Items For X Class Locos As Per Annexure. Note: 1. Sl. No 1 To 11 Consist Of One Set. 2. F Or Material Specification, The Firm Has To Submit Nabl Accredited Lab Test Certificate Along With The Material Supply. 3. For Equivalent Material Specification Ref Er Goc/X/Specx-032. [ Warranty Period: 30 Months After The Date Of Delivery ] ]