supply of crank disc for x-class locos ( 3 items )crank disc for x-class locos ( 3 items ),supply of crank disc for x-class locomotive confirms to the following drawings item no (1) - crank disc front rh drg. no. goc/x/sk- 13-06020 sh 1 of 2 alt(1) qty./set-1 no/set item no (2) - crank disc front lh drg. no. goc/x/sk-13-06020 sh 2 of 2 alt(1) qty./set-1 no/set item no (3) - crank disc hind drg. no. goc/x/sk-13-06030 alt(1) qty./set-2 nos/set note 1.item no (1) to (3) consists of one set. 2. each item should have one integral test piece and parted for inspection before inspecting authority. [ warranty period: 30 months after the date of delivery ]