1.6 10.5 8 M4 x 25 Bracket mounting bolt 55 45 2 x o4.4 mounting hole . For mounting bolt, a hexagon socket head cap screw is recommended. 25 35.6 5.5 13.2 (8.5) A A A-A 3.2 17 25.4 4 x M4 x 0.7 (Bottom mounting thread) 7.8 3.2 2 x M4 Bottom mounting thread 25.4 Series VM100/Side Ported With bracket VM120-01-�ｮA-B VM130-01-�ｮA-B VM121-01-�ｮA-B VM131-01-�ｮA-B With bottom mounting thread VM120U-01-�ｮA VM130U-01-�ｮA VM121U-01-�ｮA VM131U-01-�ｮA VM131U-01-35�ｮA VM151U-01-35�ｮA VM1-B Component parts Q’ty Bracket 1 Hexagon socket head cap screw M4 x 25 2 Hexagon nut M4 2 7 Series VM100