tender for set of retaining rings (pivot ring & housing ring) for housing of tractionbar.set containing of following items (1) pivot ring as per clw drg no.1209.01.313-005ref. abb drg no.ia016 00261 rev-3 or latest,qty-4 nos.& (2) housing ring as per clw drgno. 1209.01.313-004 ref no. ia016 00262 rev-3 or latest,qty-4 nos.(this item is reserved forclw approved sources only).