supply of set of items for conversion of the cbc couplerset of items for conversion of the cbc coupler,set of items for conversion of the cbc coupler uncoupling arrangement from bottom to top o perated, as per rdso modification sheet no. mp.mod.ld.05.10.11 rev (01) dated 08.02.2016. one set con sisting of 07 items.1) lever coupler release to emd part no.10632263 / dlw part no.17160352- qty: -02 no s.2) lever coupler release to emd pt.no.10632261 / dlw part no.17160364 -qty: -02 nos.3) bail to emd pa rt no.40057907 / dlw part no.17160340 qty: -02 nos.4) bracket to emd part no. 9520074 / dlw part no.1 7083369 qty:- 08 nos.5) nut - 1/2 -13 slf lkg to emd part no. 8032761 / dlw part no. 19355269 qty:- 16 nos.6) uncoupling clevis to emd part no. 8024774 / dlw part no. 17250067 qty:- 04 nos.7) arrangement o f lock lifter & hook assembly skdl-4778 qty: -02 sets.note: to be procured from past proven suppliers of si milar items only. test certificate (tc) & guarantee certificate (gc) are required from the supplier. [ warran ty period: 30 months after the date of delivery ] ]