supply of spring -f 06 ( primary inner ) & spring -f04 ( primary inner ) , primary inner spring for generator car to drg.no.1277143-01r and to be read with rdso / 2017 / cg-01, rev-01 with corrigendum no - 01 ( rcf p.l.no:33500536 ) special condition : packing as per drg. no. icf / j&t / sk - 1770, alt a. [ warranty period: 72 months after the date of delivery ] , primary inner spring for fiat type gs bogies to drg.no. lg01101 alt a and to be read with rdso / 2017 / cg-01, rev-01 with corrigendum no - 01 special condition : packing as per drg. no. icf / j&t / sk-1770, alt a. [ warranty period: 72 months after the date of delivery ] => limited