supply of one coach set of 160 kn air spring assembly for fiat type bogie as per rdsos spec. no. rdso/cg/s/23002 rev.-01.one coach set of 160 kn air spring assembly for fiat type bogie as per rdsos spec. no. rdso/cg/s/23002 rev.-01.,one coach set of 160 kn air spring assembly for fiat type bogie as per rdsos spec. n o. rdso/cg/s/23002 rev.-01, scope of supply shall be as per clause 4.1 of rdsos spec. no. rdso/cg /s/23002 rev.-01, each coach set will consist of four air spring assembly. the following items shall be supplied as per sl. no.12 of annexure vlll of rdsos spec. no. rdso/cg/s/23002 rev.-01 as loose and packed separately per air spring assembly - (a) hightensile hex. socket head cap screw - 4 nos. (b) h ardened and tempered washer - 4 nos. (c) prevailing torque type hex nut m20 - 4 nos. the following additional spares also to be supplied and packed separately per coach set :- (i) sealing 0-ring - 2 nos. (ii) high tensile hex. socket head cap screw - 4 nos. (iii) hardened washer and tempered washer - 4 nos. (iv) prevailing torque type hex. nut m20 - 4 nos. [ warranty period: 72 months after the date o f delivery ] ]