supply of set of gasket for sanding arrangement , set of gasket for sanding arrangement of wag-9 loco ( one set consisting 0 4 items 05 nos.), item no.1,2,3 to be supplied as per drg.no.ngp/trs/4/25.063 rev-0 of this drawin g & item no. 4 to be supplied as per tkd drawing no.wcr-tkd-el3-gk-066 of this drawing ( this is she lf life items and should be procured with staggered delivery period. supplier to mention /print date of m anufacturing on the item & item to be supplied within 90 days of manufacture date). [ warranty perio d: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]