AS568-453 O-Ring
Inside diameter 11.975″
Cross-section 0.275″
Outside diameter 12.525″
Metric (ID × CS) 304.16 × 6.99 mm
OD is derived: ID + 2 × CS = 11.975″ + 2 × 0.275″ = 12.525″.
Neighboring sizes (CS 0.275″ series)
| Dash | ID | OD | ID mm | vs -453 |
|---|---|---|---|---|
| -451 | 10.975″ | 11.525″ | 278.76 | ID −1.000″ |
| -452 | 11.475″ | 12.025″ | 291.46 | ID −0.500″ |
| -453 | 11.975″ | 12.525″ | 304.16 | — |
| -454 | 12.475″ | 13.025″ | 316.86 | ID +0.500″ |
| -455 | 12.975″ | 13.525″ | 329.56 | ID +1.000″ |
Same ID, other cross-sections
- AS568-381 — same 11.975″ ID with a 0.210″ cross-section (OD 12.395″)