AS568-425 O-Ring
Inside diameter 4.475″
Cross-section 0.275″
Outside diameter 5.025″
Metric (ID × CS) 113.66 × 6.99 mm
OD is derived: ID + 2 × CS = 4.475″ + 2 × 0.275″ = 5.025″.
Neighboring sizes (CS 0.275″ series)
| Dash | ID | OD | ID mm | vs -425 |
|---|---|---|---|---|
| -425 | 4.475″ | 5.025″ | 113.66 | — |
| -426 | 4.600″ | 5.150″ | 116.84 | ID +0.125″ |
| -427 | 4.725″ | 5.275″ | 120.01 | ID +0.250″ |
Same ID, other cross-sections
- AS568-349 — same 4.475″ ID with a 0.210″ cross-section (OD 4.895″)