Document Overview:
This technical drawing details a 20mm 3-way thrust bushing component, identified by drawing number OAVTB60i20. It is proprietary information owned by OAVCO LLC, with reproduction restrictions.

Dimensions and Tolerances:
- All dimensions are in millimeters.
- Key dimension: 20.018 +0.005 / 0 tolerance.
- Other dimensions include 59.5 mm, 55.3 mm, and 79.20 mm.
- Tolerances specified for fractional, angular (machining and bending), two-place decimal, and three-place decimal.
- Geometric tolerancing is to be interpreted per applicable standards.

Material and Surface Finish:
- The component features frictionless surfaces on both sides.
- Surface finish details are implied but not explicitly stated.

Installation and Features:
- Installation options labeled A, B, and C are indicated.
- The component includes an M5 x 0.8 air port.

Additional Notes:
- The drawing is to scale 1:1 and must not be scaled manually.
- The drawing includes placeholders for material, finish, drawing approval, and quality assurance signatures.
- The component is intended for use in a next assembly application.

Critical Information:
- Strict adherence to dimensional tolerances is required.
- Frictionless surfaces on both sides are essential for function.
- Proprietary restrictions prohibit unauthorized reproduction.
- Installation options provide flexibility in assembly.

This summary captures the essential specifications, tolerances, and usage notes for the 20mm 3-way thrust bushing as per the provided technical drawing.