AS568-378 O-Ring
Inside diameter 10.475″
Cross-section 0.210″
Outside diameter 10.895″
Metric (ID × CS) 266.06 × 5.33 mm
OD is derived: ID + 2 × CS = 10.475″ + 2 × 0.210″ = 10.895″.
Neighboring sizes (CS 0.210″ series)
| Dash | ID | OD | ID mm | vs -378 |
|---|---|---|---|---|
| -376 | 9.725″ | 10.145″ | 247.01 | ID −0.750″ |
| -377 | 9.975″ | 10.395″ | 253.36 | ID −0.500″ |
| -378 | 10.475″ | 10.895″ | 266.06 | — |
| -379 | 10.975″ | 11.395″ | 278.76 | ID +0.500″ |
| -380 | 11.475″ | 11.895″ | 291.46 | ID +1.000″ |
Same ID, other cross-sections
- AS568-450 — same 10.475″ ID with a 0.275″ cross-section (OD 11.025″)