Sealed Window Glass Unit Size: 819X619X18.38 Mm For Lhb Coaches. Drawing N O. : Westberga Drg. No. 500204-29. Matl.& Specn : Rcf/Mdts-089, Rev.- 4. [ 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 ] ]