supply of cast steel components for frame structure consists of 4 items for x-class , supply of cast steel components for frame structure consists of 4 items for x-class locomotives as mentioned below without foundation holes. it em no 1 - bearing box left-part finished- drg no. goc/x/sk-1-14638 sheet 1 of 4 qty-2 nos item no 2 -bearing box right-part finished-drg no. goc/x/sk-1-14 638 sheet 2 of 4 qty-2 nos item no 3 - horn stay lh-drg no. goc/x/lr-13-07002 (item no-1) qty-2 nos item no 4 - horn stay rh-drg no. goc/x/lr-13-0700 2 (item no-2) qty-2 nos note 1. item no 1 to 4 consists of one set. 2. for equivalent material specification refer goc/x/spec-x-032 3. for material specificati on, the firm has to submit nabl accredited lab test certificate along with the material supply. [ warranty period: 30 months after the date of delivery ] ]