supply of insulating base with fixing screw kit, for coupling socket assembly of inter-vehicular coupler of lhb eog coaches, as per rcf drawing no. lw71303 alt-insulating base with fixing screw kit, for coupling socket assembly of inter-vehicular coupler of lhb eog coaches, as per rcf drawing no. lw71303 alt-,insulating base with fixing screw kit, for coupling socket assembly of inter-v ehicular coupler of lhb eog coaches, as per rcf drawing no. lw71303 alt-b and confirmi ng to rcfspecification no. edts-105, rev-e with amendment no. 1,2&3. as per approved vend ors attached. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]