Government Tender Published for WHEEL DISC FOR NERAL-MATHERAN NG COACHESWHEEL DISC FOR NERAL- MATHERAN NG COACHES, SIZE- TREAD DIA-476 MM, BORE DIA-53 MM, ROOT RADIUS OF THE FLANGE SHOULD BE 15.5 MM. THICKNESS OF THE WHEEL FLANGE SHOULD BE 24 MM. HEIGHT OF THE FLANGE SHOULD BE 22 MM. CONFORMING TO KWV/SKETCH-1006 AND MLR DRG. NO. LA-67. FOR ANY CONTRADICTION BETWEEN THE SKETCH AND THE DRAWING, SKETCH NO. KURDU/SKETCH-1006 SHALL PREVAIL TO THE EXTENT OF CONTRADICTION ONLY IN LIGHT OF SIZE IN DESCRIPTION. MATERIAL SPECIFICATION IRS: R-19/93 [PART- III], CORRIGENDUM-4. SHAll PREVAIL OVER SPECIFICATION IN DRAWING NO. LA- 67.