supply of insulation sets for ground connection, made of nylon-66 for 220mm throw thick web switch point machine,insulation sets for ground connection, made of nylon-66 for 220mm throw thick web switch point machine,,insulation sets for ground connection, made of nylon-66 for 220mm throw thick web switch point machine, as per specification no. irs.s.40/84 or latest. one set consisting material .of :- (1)insulating washer = 12 nos drg. no.-s-8640. (2)insulating washer =04 nos. drg. no.- s-8640/1 (3)insulating washer =02 nos drg. no.-s-8640/2. (4)insulating bush =10 nos drg. no.-s-23199.(5)insulating bush =01 no drg. n o.-s-3463. (6)insulating bush =02 nos drg. no.-s-22179. (7)insulating bush =02 nos. drg. no.-s-8912 (8) i nsulating plate =02 nos drg. no.- s-3404. (9)insulating bush =04 nos drg. no.-s-8813. (10)insulating plate rh =01nos, drg. no.:-s 3265 (11)k. insulating plate lh =01 nos. drg. no.:-s 3266 [ warranty period: 30 months after the date of delivery ] ]