Higher capacity Air spring assembly, capacity 180KN as per RDSO STR No.- RDSO/ CG/ S/ 23002, Rev. Nil of April 2023. Scope of supply shall be as per clause 4. 1 of RDSO STR No. RDSO/ CG/ S/ 23002, Rev NIL of April 2023. Four such sets form ONE coach set Fasteners shall be of TVS ( OR ) UNBRAKO ( OR ) TUFF make only. Spare O- Rings and fastener shall be at the rate of 1 ( set ) for each coach set of air springs and packed separately coach set wise.