supply of supply of modified coned washer (part finished) for steam inlet pipe (52256652, 52256653)supply of modified coned washer (part finished) for steam inlet pipe (52256652, 52256653),supply of modified coned washer (part finished) for steam inlet pipe of x-class locomotive as per drg. no. goc/x/sk-03-04080 sheet-2 note:(1) for material specification, the firm has to submit nabl accredited lab test certificate along with the material supply (2) if any casting defects are found during the machining of supplied items within the warranty period, those items need to be replaced by the concerned firm within one month. [ warranty period: 30 months after the date of delivery ] ] , supply of coned washer (part finished) for steam inlet pipe of x-class locomotive as per drg. no. goc/x/sk-03-04080 sheet-2 note: (1) for mat erial specification, the firm has to submit nabl accredited lab test certificate along with the material supply (2) if any casting defects are found during the ma chining of supplied items within the warranty period, those items need to be replaced by the concerned firm within one month [ warranty period: 30 months after the date of delivery ] ] => limited