supply of supply of bronze components consists of 12 items for link motion assemblies of x class locomotives , supply of bronze components consists of 12 items for link motion assemblies of x class locomotives as per annexure. note: 1. item no 1 to 12 consists of one set. 2. for equivalent material specifications refer goc/x/spec- x-032 3. if any casting defects are found during the machining of supplied item s within the warranty period, those items need to be replaced by the concerned firm within one month. 4. for material specification, the firm has to submit na bl accredited lab test certificate along with the material supply. [ warranty period: 30 months after the date of delivery ] ]