supply of air spring assembly , air spring assembly (180 kn capacity) for higher capacity loads used on emu/dmu/memu coa ches for icf type bogies confirming to rdso specification no.rdso/cg/s/23002, rev. nil. each air spring asse mbly consists of 6 items as under: 1. air spring (rubber bellow)-1 no. 2. top interfacing plate with bolster, with spigot - 1 no. 3. sealing o -rings-2 nos. 4. base plate - 1 no. 5. emergency spring -1 no. 6. mounting fasteners - 4 sets. [ warranty period: 72 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]