supply of spring dowell sleeve and pinspring dowell sleeve and pin,spring dowell sleeve (dia 5 x 40) for draw & buff gear for schaku coupler drg.no.- 40.586.06 ( 2 ) p art-18. as per rdso specn. no.- 61-b-36/rev.-68- 1, with amnd. slip no.- 1 of october-2016 [ warranty peri od: 30 months after the date of delivery ] , spring dowell sleeve (dia 6 x 45) for adjustable cup sleeve to schaku coupler drg.no.-40.317.13 ( 2 )part 10. as per rdso specn. no.- 61-b- 36/rev.-68-1, with amnd. slip no.- 1 of october-2016 [ warranty peri od: 30 months after the date of delivery ] , spring dowell sleeve (dia 8x80) for draw & buff gear to schaku coupler drg.no - 40.586.06 (2) par t 14. as per rdso specn. no.- 61-b-36/rev.-68-1, with amnd. slip no.- 1 of october-2016. [ warranty period: 30 months after the date of delivery ] , spring dowell pin dia 10x20 of semi permanent coupler(spec. 61-b-36 rev. 68-1 with amendmen t no. 1 of october-2016) to sanrok drg. no. 2ed-181-1004 prt.3/din 1481 or equivalent escorts/wsf drg. no . 40- 586.01:01(2) part. 10 [ warranty period: 30 months after the date of delivery ] => limited