Stainless steel spacer used between manifold pieces with o-ring's facing each other.
Drawing of part (PDF) (08.037.0PC__FLANGE,_MANIFOLD_ADAPTER.pdf, 215 Kb) [Download]
Drawing of part (DXF) (08.037.0PC__FLANGE,_MANIFOLD_ADAPTER.dxf, 271 Kb) [Download]