supply of different steel bushes used in boiler mountings of x-class locomotive , different steel bushes used in boiler mountings of x-class locomotive consist of 04 items, as follows; 1) bush (part fin ished) for middle coupling rod(h.p), drg. no. goc/x/bu-12-11050 sheet-2, qty- 2 nos. 2) bush (part finished) for middle coupling rod (h.p), drg. no. goc/x/bu-12-11060 sheet-2, qty- 2 nos. 3) bush (part finished) for rear coupling rod, drg. no. goc/x/bu-12-13130 sheet-2, qty- 4 nos. 4) bush (part finished) for coupling rod rack drive, drg. no. goc/x/bu-12-14040 sheet-2, qty- 4 nos. note: 1. item 1 to 4 consists one set 2. for equivalent material specification refer goc/x/specx-032 3. for material specification, the firm ha s to submit nabl accredited lab test certificate along with the material supply [ warranty period: 30 months after the date of deli very ] ]