supply of air spring assembly (180 kn capacity) for higher capacity loads used onemu/dmu/m emu coaches for icf type bogies to rdso str no.rdso/cg/s/23002,rev.nil each air springassembly cons ists of 6 items as under: s.no. item qty/set 1. air spring (rubber bellow) 1 no. 2. topinterfacing plate with bolster, with spigot 1 no. 3. sealing o -rings 2 nos. 4. base plate 1 no. 5.emergency spring 1 no. 6. mounti ng fasteners 4 sets [ warranty period: 72 months after the date of delivery ] ] - air