supply of set of air spring assemblyset of air spring assembly,set of air spring assembly (140 kn capacity) along with hardware items for mainline / rajdh ani coaches for icf type bogies. 1) air spring assembly (140 kn capacity) for mainline / rajdhani coaches f or icf type bogies confirming to rdso spec. no rdso/2020/cg-01, rev-nil, qty.-01no/set. (leading param eters of 140kn air spring for icf bogie which are at page no.43 of 53 of rdso specification no. rdso/2020 /cg-01, rev.-nil shall be strictly followed).2) high tensile hexagonal socket-head cap screw, m16x45 long, i s:2269 (latest) class 10.9, qty.-4nos/set.3) prevailing torque type hexagonal nut (with non-metallic insert), m16:b, is:7002 (latest) class 10, qty.-4 nos/set.4) hardened and tempered washer with 300 hv class (300 hv 370 hv) hardness, a18, is:2016 (latest), qty.-4 nos/set. note: all fasteners (screws, nuts & washers) sh all be zinc electroplated to a3l finish of is:1367 (part-11) and confirming to rdso spec. no rdso/2020/cg -01, rev-nil. [ warranty period: 30 months after the date of delivery ] ]