supply of outer coil spring for mk-50 draft gear, confirming to rdso str no.49-bd-08 (item to be supplied with work test certificate) besco drg.no.item no.11 of fig. 19 in bescos manual rev.1 of march99, alt.nil.warranty period : 30 month from the date of supply , outer coil spring for mk-50 draft gear, confirming to rdso str no.49-bd-08 ( item to be supplied with work test certificate) besco drg.no.item no.11 of fig. 19 in besco s manual rev.1 of march99, alt.nil. warranty period : 30 month from the date of supply [ warra nty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]