AS568-164 O-Ring
Inside diameter 6.237″
Cross-section 0.103″
Outside diameter 6.443″
Metric (ID × CS) 158.42 × 2.62 mm
OD is derived: ID + 2 × CS = 6.237″ + 2 × 0.103″ = 6.443″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -164 |
|---|---|---|---|---|
| -162 | 5.737″ | 5.943″ | 145.72 | ID −0.500″ |
| -163 | 5.987″ | 6.193″ | 152.07 | ID −0.250″ |
| -164 | 6.237″ | 6.443″ | 158.42 | — |
| -165 | 6.487″ | 6.693″ | 164.77 | ID +0.250″ |
| -166 | 6.737″ | 6.943″ | 171.12 | ID +0.500″ |