TM 10-3930-669-34 C-3.  SIDE SHIFT BAR FABRICATION. NOTES: 1. Make from stock steel. 2. Cut to dimensions as shown above. 3. Use two 12 universal fine (UNF) nuts with this bar, refer to (Item 37, Appendix E). 4. To be used with Jack, Hydraulic, 30 Ton, NSN 5120-00-188-1790. C-4.  INSTALLER DISK FABRICATION. NOTES: 1. Make 2 each from stock steel. 2. Cut to dimensions as shown above. 3. To be used with Jack, Hydraulic, 30 Ton, NSN 5120-00-188-1790. C-2