Axle box pivot bush with solid or hollow [ Axle box pivot bush with solid or hollow pin construction as per drawing No. 1247488 Alt. % u2019a % u2019 to be read with Technical Specification No. 17. 359. 100. 03, Technical Specification No. 17. 617. 100. 02 and MDTS- 148 Rev. 01 & MDTS- 122 Rev. 03 OR latest. ]