supply of 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 drg. no.-s-8640 = 12 nos. (2) insula ting washer drg. no.- s-8640/1=04 nos.(3) insulating washer drg. no.-s- 8640/2=02 nos.(4) insulating bush drg. no.-s-23199=1 0 nos. (5) insulating bush drg. no.-s-3463=01 no. (6) insulating bush drg. no.-s-22179=02 nos. (7) insulating bush drg. no.-s-8 912=02 nos. (8) insulating plate drg. no.- s-3404=02 nos .(9) insulating bush drg. no.-s-8813=04 nos. make / brand - paras pla stic or any other similar brand [ warranty period: 30 months after the date of delivery ] sr. section engineer (signal) gujarat 400.00 set