procurement of spares.-1 pipe rubber inner dia 12.5 mm (aps) 2 tube (aps) 3 clamp (aps) 4 t union rubber (aps) 5 diode 5408 rm 17.5(aps) 6 thermal shroud front section 1l 625 mm (aps) 7 thermal shroud front section 2l 623 mm (aps) 8 thermal shroud rear section 3l 829 mm (aps) 9 thermal shroud rear section 4l 828 mm (aps) 10 metal wire safty(aps)