supply of manufacture and supply of fish plate combination as per item description.manufacture and supply of fish plate combination as per item description.,manufacture and supply of fish plate combination for 60kg (uic) and 52kg rail confirming to rdso drg. no. t-696 to t-699, alt-1. [this is a safety item]. each set of combination fish plates for 52/60 k g rail for rdso drg.no.t-696 to t-699 comprises of (i) 4 fish plates to rdso drg.no.t-696 to t-699 (ii) bolt s with nuts to drg.no.t-700- 2 nos., (iii) bolts with nuts to drg.no.t-1899 -1 no. (iv) bolts with nut to drg.n o.t-11501 -1 no. and (v) single coil spring washer to rdso drg.no.t-10773-4nos. specification: irs: t-1-2 021. [ warranty period: 30 months after the date of delivery ] ]