supply of one coach set of primary springs for vb/train setone coach set of primary springs for vb/train set,one coach set of primary springs for vb/train set coaches to m/s ec engineering drg.no.mt18br2_001448-8-8 nos (primary inner) & mt18br2_001449-8 -8 nos (primary outer). man ufacturing of spring to be as per m/s. ec engineering specification no mt18br2 001470-10. special c ondition: - suitable packing to be done to avoid damage during transit, unloading and rust prevention durin g storage-there will be minor modification in design. firm may be advised to collect final dra wing before manufacturing. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]