AS568-268 O-Ring
Inside diameter 8.484″
Cross-section 0.139″
Outside diameter 8.762″
Metric (ID × CS) 215.49 × 3.53 mm
OD is derived: ID + 2 × CS = 8.484″ + 2 × 0.139″ = 8.762″.
Neighboring sizes (CS 0.139″ series)
| Dash | ID | OD | ID mm | vs -268 |
|---|---|---|---|---|
| -266 | 7.984″ | 8.262″ | 202.79 | ID −0.500″ |
| -267 | 8.234″ | 8.512″ | 209.14 | ID −0.250″ |
| -268 | 8.484″ | 8.762″ | 215.49 | — |
| -269 | 8.734″ | 9.012″ | 221.84 | ID +0.250″ |
| -270 | 8.984″ | 9.262″ | 228.19 | ID +0.500″ |