Overhauling Kit For Erv (Apm) Device For Escort Design Bmbs Consisting Of 7 Items. Draw Ing No.:- As Per Kit Details. Material And Specification:- As Per Operation And Maintenance Manual Of Es Corts Make Bmbs For Freight Stock With Casnub Bogie, Doc. No. Red-Rd- Bs019-Om-01 (Rev. 3) And Co Nforming To Rdso Spec No Wd- 23-Bmbs-Rev-01 Amendment No.1 Of Sept 2016. [ Warranty Period: 36 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]