AS568-166 O-Ring
Inside diameter 6.737″
Cross-section 0.103″
Outside diameter 6.943″
Metric (ID × CS) 171.12 × 2.62 mm
OD is derived: ID + 2 × CS = 6.737″ + 2 × 0.103″ = 6.943″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -166 |
|---|---|---|---|---|
| -164 | 6.237″ | 6.443″ | 158.42 | ID −0.500″ |
| -165 | 6.487″ | 6.693″ | 164.77 | ID −0.250″ |
| -166 | 6.737″ | 6.943″ | 171.12 | — |
| -167 | 6.987″ | 7.193″ | 177.47 | ID +0.250″ |
| -168 | 7.237″ | 7.443″ | 183.82 | ID +0.500″ |