AS568-172 O-Ring
Inside diameter 8.237″
Cross-section 0.103″
Outside diameter 8.443″
Metric (ID × CS) 209.22 × 2.62 mm
OD is derived: ID + 2 × CS = 8.237″ + 2 × 0.103″ = 8.443″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -172 |
|---|---|---|---|---|
| -170 | 7.737″ | 7.943″ | 196.52 | ID −0.500″ |
| -171 | 7.987″ | 8.193″ | 202.87 | ID −0.250″ |
| -172 | 8.237″ | 8.443″ | 209.22 | — |
| -173 | 8.487″ | 8.693″ | 215.57 | ID +0.250″ |
| -174 | 8.737″ | 8.943″ | 221.92 | ID +0.500″ |