AS568-225 O-Ring
Inside diameter 1.859″
Cross-section 0.139″
Outside diameter 2.137″
Metric (ID × CS) 47.22 × 3.53 mm
OD is derived: ID + 2 × CS = 1.859″ + 2 × 0.139″ = 2.137″.
Neighboring sizes (CS 0.139″ series)
| Dash | ID | OD | ID mm | vs -225 |
|---|---|---|---|---|
| -223 | 1.609″ | 1.887″ | 40.87 | ID −0.250″ |
| -224 | 1.734″ | 2.012″ | 44.04 | ID −0.125″ |
| -225 | 1.859″ | 2.137″ | 47.22 | — |
| -226 | 1.984″ | 2.262″ | 50.39 | ID +0.125″ |
| -227 | 2.109″ | 2.387″ | 53.57 | ID +0.250″ |