supply of set of spare parts of vertical support assembly for cbc. one set consists of special allen bolt.set of spare parts of vertical support assembly for cbc. one set consists of special allen bolt.,set of spare parts of vertical support assembly for cbc. one set consists of sp ecial allen bolt as per drg.no: j&td/cw/per/sk: 1696 with castle nut m 16x2(is:2232), split pin m5 x40 (is:549), m 16 plain washer (top) is 7089 &m 16 plain washer bottom is 7089, and conical w asher as per drg.no: j &td/cw/per/sk: 1967 . make as per drawing or similar [ warranty period: 30 mo nths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]