AS568-245 O-Ring
Inside diameter 4.359″
Cross-section 0.139″
Outside diameter 4.637″
Metric (ID × CS) 110.72 × 3.53 mm
OD is derived: ID + 2 × CS = 4.359″ + 2 × 0.139″ = 4.637″.
Neighboring sizes (CS 0.139″ series)
| Dash | ID | OD | ID mm | vs -245 |
|---|---|---|---|---|
| -243 | 4.109″ | 4.387″ | 104.37 | ID −0.250″ |
| -244 | 4.234″ | 4.512″ | 107.54 | ID −0.125″ |
| -245 | 4.359″ | 4.637″ | 110.72 | — |
| -246 | 4.484″ | 4.762″ | 113.89 | ID +0.125″ |
| -247 | 4.609″ | 4.887″ | 117.07 | ID +0.250″ |