supply of annealed copper split pin 2.5x20mm (is:549)for catenary wire dropper clip bolt as per rdso drg. no. eti/ohe/p/1192 mod. c or latest.annealed copper split pin 2.5x20mm (is:549)for catenary wire dropper clip bolt as per rdso drg. no. eti/ohe/p/1192 mod. c or latest.,annealed copper split pin 2.5x20mm (is:549)for catenary wire dropper clip bolt as per rdso drg. no. eti/ohe /p/1192 mod. c or latest. [ warranty period: 30 months after the date of delivery ] ] , contact wire swivel clip pin as per part no. 1222 of rdso drg . no . re/33/p/1220 mod .e or latest & rdso spe c: ti /spc/ohe/fittings/0130-10/13-rev-1. [ warranty period: 30 months after the date of delivery ] ] , contact wire dropper clip u pin as per part no . 1182 of rdso drg . no . re/33/p /1180 mod. f or latest . [ war ranty period: 30 months after the date of delivery ] ]