Spring Dowel Sleeve, 10X60 For Schaku Coupler of EMU/ DEMU Coaches to, i M/ s Escorts Drg. No. 40- 317- 13, 2 Pt. 9, ii M/ s WSF Drg. No. 40- 317- 13, iii M/ s Sanroks Drg. No.- 2ED- 181- 1005, Part- 10. RDSOs Spec. No. 61- B- 36 Rev. 68- 1 with amendment No. 1 of October- 2016.