Supply Spindle Head (Part Finished) For Rear Steam Chest Cover And Valve Spindle Guide Of X Class Locomotive As Per Drg No: Goc/X/Sk-11-0909 0, Sh.2. Note 1. For Equivalent Material Specification Refer Goc/X/Spec-X-032 2. `For Material Specification, The Firm Has To Submit Nabl Accredited Lab Test C Ertificate Along With The Material Supply [ Warranty Period: 30 Months After The Date Of Delivery ] ]