AS568-377 O-Ring
Inside diameter 9.975″
Cross-section 0.210″
Outside diameter 10.395″
Metric (ID × CS) 253.36 × 5.33 mm
OD is derived: ID + 2 × CS = 9.975″ + 2 × 0.210″ = 10.395″.
Neighboring sizes (CS 0.210″ series)
| Dash | ID | OD | ID mm | vs -377 |
|---|---|---|---|---|
| -375 | 9.475″ | 9.895″ | 240.66 | ID −0.500″ |
| -376 | 9.725″ | 10.145″ | 247.01 | ID −0.250″ |
| -377 | 9.975″ | 10.395″ | 253.36 | — |
| -378 | 10.475″ | 10.895″ | 266.06 | ID +0.500″ |
| -379 | 10.975″ | 11.395″ | 278.76 | ID +1.000″ |
Same ID, other cross-sections
- AS568-449 — same 9.975″ ID with a 0.275″ cross-section (OD 10.525″)