supply of higher capacity air spring assembly 180kn. , higher capacity air spring assembly 180kn as per rdso specification no. rdso/cg/s/230 02, rev. nil of april 2023. scope of supply shall be as per clause 4.1 of section-a of rdso specification n o. rdso/cg/s/23002 rev. nil of april 2023. four air spring along with their fasteners form one coach set. fasteners shall be of tvs or dfl or unbrako or tuff make only. spare o-rings and fasteners shall be s upplied at the rate of 1 (set) for each coach set of air springs and packed separately coach - set wise. [ warranty period: 30 months after the date of delivery ] ]