Set of Retaining Rings, Pivot ring and housing ring for housing of traction bar, set consisting of, 1 Pivot ring as per CLW Drg. No. 1209. 01. 313- 005, Ref: ABB Drg. No. IAO16- 00261, Rev. 3 = 4 Nos., 2 Housing ring as per CLW Drg. No. 1209. 01. 313- 004, Ref: ABB Drg. No. IAO16- 00262