supply of coupler body with shank wear plate welde [coupler body with shank wear plate welded on to the coupler body shank for transition cbc to drg.no.item.18 & 10 of rdso sk.62724 alt 27 (welded together) to spec no. str no.56-bd-07 (rev.0) with amendment no.2 of sep-16.] , coupler body with shank wear plate welded on to the coupler body shank for transition cb c to drg.no.item.18 & 10 of rdso sk.62724 alt 27 (welded together) to spec no. str no.56-bd-07 (rev.0) with amendment no.2 of sep-16. [ warranty period: 48 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]