supply of supply of forged and machined trunnion check consists of four itemssupply of forged and machined trunnion check consists of four items,supply of forged and machined trunnion check consists of four items for x‑class locomotives, as follows: item-1: trunnion check for rack drive r eversing link rh-rh, drg no.-goc/x/sk-12-18001(item-1), qty-01 no. item-2: trunnion check for rack drive reversing link rh-lh, drg no.-goc/x/sk-12-18001(i tem-2), qty-01 no. item-3: trunnion check for rack drive reversing link lh-rh, drg no.-goc/x/sk-12-18001(item-3), qty-01 no. item-4: trunnion check for rac k drive reversing link lh-lh, drg no.-goc/x/sk-12-18001(item-4), qty-01 no. note: 1. item no 1 to 4 consists of one set. 2. for equivalent material specificati on refer goc/x/spec-x-032 3. for material specification, the firm has to submit nabl accredited lab test certificate along with the material supply. [ warran ty period: 30 months after the date of delivery ] ] => limited