A piston housing assembly: body, flange, piston, ring and four M8x12 screws. The threads are real helical ISO profiles in the 3D model and in the drawings.
Interactive 3D
Drag to rotate · pull parts out · put them back
Specifications
8 components, 24 mates; every component fixed with 3 plane mates; fully defined
Total mass 1809.37 g (alloy steel, 0.0077 g/mm3)
Body 1144.67 g, flange 438.21 g, piston 189.36 g, ring 4.33 g, screw 8.20 g each
SolidWorks volume matched CadQuery within 3 mm3
7 A3 drawings, ISO E (first angle), including an exploded assembly
Interference check was done on models without threads