supply of insulation sets for ground connection, made of nylon-66 for 220mm throw thickweb s witch point machine, as per specification no. irs.s.40 / 84 or latest. one set consisting material .of :- ( 1 ) insulati ng washer drg. no.-s-8640 = 12 nos. ( 2 ) insulating washer drg. no.- s-8640 / 1=04 nos. ( 3 ) insulating washer drg. no.-s8640 / 2=02 nos. ( 4 ) insulating bush drg. no.-s-23199=10 nos. ( 5 ) insulating bush drg. no.-s-3463=0 1 no. ( 6 ) insulating bush drg. no.-s-22179=02 nos. ( 7 ) insulating bush drg. no.-s-8912=02 nos. ( 8 ) insulating plate drg. no.- s-3404=02 nos. ( 9 ) insulating bush drg. no.-s-8813=04 nos [ warranty period: 30 months afte r the date of delivery ] sr. section engineer ( s ) maharashtra 600.00 set