AS568-470 O-Ring
Inside diameter 20.955″
Cross-section 0.275″
Outside diameter 21.505″
Metric (ID × CS) 532.26 × 6.99 mm
OD is derived: ID + 2 × CS = 20.955″ + 2 × 0.275″ = 21.505″.
Neighboring sizes (CS 0.275″ series)
| Dash | ID | OD | ID mm | vs -470 |
|---|---|---|---|---|
| -468 | 19.455″ | 20.005″ | 494.16 | ID −1.500″ |
| -469 | 19.955″ | 20.505″ | 506.86 | ID −1.000″ |
| -470 | 20.955″ | 21.505″ | 532.26 | — |
| -471 | 21.955″ | 22.505″ | 557.66 | ID +1.000″ |
| -472 | 22.940″ | 23.490″ | 582.68 | ID +1.985″ |
Same ID, other cross-sections
- AS568-390 — same 20.955″ ID with a 0.210″ cross-section (OD 21.375″)