supply of set of items for conversion of the cbc coupler uncoupling arrangement from bottom to top operated, , 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 n os. 2) lever coupler release to emd pt.no.10632261 / dlw part no.17160364 -qty: -02 nos. 3) bail to emd part no.40057907 / dlw part no.17160340 qty: -02 nos. 4) bracket to emd part no. 9520074 / dlw part n o.17083369 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) arrangem ent of lock lifter & hook assembly skdl-4778 qty: -02 sets. note: to be procured from past proven supplier s of similar items only. test certificate (tc) & guarantee certificate (gc) are required from the supplier. ]