AS568-237 O-Ring
Inside diameter 3.359″
Cross-section 0.139″
Outside diameter 3.637″
Metric (ID × CS) 85.32 × 3.53 mm
OD is derived: ID + 2 × CS = 3.359″ + 2 × 0.139″ = 3.637″.
Neighboring sizes (CS 0.139″ series)
| Dash | ID | OD | ID mm | vs -237 |
|---|---|---|---|---|
| -235 | 3.109″ | 3.387″ | 78.97 | ID −0.250″ |
| -236 | 3.234″ | 3.512″ | 82.14 | ID −0.125″ |
| -237 | 3.359″ | 3.637″ | 85.32 | — |
| -238 | 3.484″ | 3.762″ | 88.49 | ID +0.125″ |
| -239 | 3.609″ | 3.887″ | 91.67 | ID +0.250″ |