AS568-274 O-Ring
Inside diameter 9.984″
Cross-section 0.139″
Outside diameter 10.262″
Metric (ID × CS) 253.59 × 3.53 mm
OD is derived: ID + 2 × CS = 9.984″ + 2 × 0.139″ = 10.262″.
Neighboring sizes (CS 0.139″ series)
| Dash | ID | OD | ID mm | vs -274 |
|---|---|---|---|---|
| -272 | 9.484″ | 9.762″ | 240.89 | ID −0.500″ |
| -273 | 9.734″ | 10.012″ | 247.24 | ID −0.250″ |
| -274 | 9.984″ | 10.262″ | 253.59 | — |
| -275 | 10.484″ | 10.762″ | 266.29 | ID +0.500″ |
| -276 | 10.984″ | 11.262″ | 278.99 | ID +1.000″ |