supply of supply of set of items for gauge columnsupply of set of items for gauge column,supply of set of items for gauge column (part finished) for xclass locomotives to the following drawings. item 01: gauge column (part finished lh) for top cock as per drg no goc/x/sk-2- 16522, qty-01 no. item 02: gauge column (part finished rh) for top cock as per drg no goc/x/sk-2- 16522,qty- 01 no. item 03: gauge column (part finished lh) for bottom cock as per drg no goc/x/sk-2-16520, qty-01 no. item 04: gauge column (part finished rh) for bottom cock as per drg no goc/x/sk-2-16520, qty-01 no. note: 1. item 01 to 04 consists of 01 set. 2. all threads should be as per bsw standards. 3. for m aterial specification, the firm has to submit nabl accredited lab test certificate along with the material supply [ warranty period: 30 months after the date of delivery ] ] => limited