supply of jerk free high tensile centre buffer coupler with semi permanent head and balanced draft gear for fitment on self propelled high speed train set of indian railways to specn: icf/md/spec-307,issue status 01, rev.00 with amendment no 1 and conforming tojerk free high tensile centre buffer coupler with semi permanent head and balanced draft gear for fitment on self propelled high speed train set of indian railways to specn: icf/md/spec-307,issue status 01, rev.00 with amendment no 1 and conforming to,jerk free high tensile centre buffer coupler with semi permanent head and balanced draft gear for fitment on self propelled high speed train set of indian railw ays to specn: icf/md/spec-307,issue status 01, rev.00 with amendment no 1 and conformin g to mdts-21292 rev-00 , and concept drawing nos.32921007 and 32921008.50 percentag e of purchase order quantity shall be as per drawing no. 32921007 and balance 50 percentage as per 32921008. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] dsd/dnr, ecr bihar 3.00 set