AS568-454 O-Ring
Inside diameter 12.475″
Cross-section 0.275″
Outside diameter 13.025″
Metric (ID × CS) 316.86 × 6.99 mm
OD is derived: ID + 2 × CS = 12.475″ + 2 × 0.275″ = 13.025″.
Neighboring sizes (CS 0.275″ series)
| Dash | ID | OD | ID mm | vs -454 |
|---|---|---|---|---|
| -452 | 11.475″ | 12.025″ | 291.46 | ID −1.000″ |
| -453 | 11.975″ | 12.525″ | 304.16 | ID −0.500″ |
| -454 | 12.475″ | 13.025″ | 316.86 | — |
| -455 | 12.975″ | 13.525″ | 329.56 | ID +0.500″ |
| -456 | 13.475″ | 14.025″ | 342.26 | ID +1.000″ |