Set of brush holder revolving ring complete with brush holder for Hitachi TM as per following drawings and Modification ( i ). 10Q. 750. 249 Alt. H ( ii ) 10Q. 750. 320 Alt. H ( iii ) RDSOModification WAG- 5/ 27 ( New WAG 5/ 240 ) ( RDSO Modification WAG 5/ 28.