AS568-441 O-Ring
Inside diameter 6.975″
Cross-section 0.275″
Outside diameter 7.525″
Metric (ID × CS) 177.16 × 6.99 mm
OD is derived: ID + 2 × CS = 6.975″ + 2 × 0.275″ = 7.525″.
Neighboring sizes (CS 0.275″ series)
| Dash | ID | OD | ID mm | vs -441 |
|---|---|---|---|---|
| -439 | 6.475″ | 7.025″ | 164.46 | ID −0.500″ |
| -440 | 6.725″ | 7.275″ | 170.81 | ID −0.250″ |
| -441 | 6.975″ | 7.525″ | 177.16 | — |
| -442 | 7.225″ | 7.775″ | 183.51 | ID +0.250″ |
| -443 | 7.475″ | 8.025″ | 189.86 | ID +0.500″ |
Same ID, other cross-sections
- AS568-365 — same 6.975″ ID with a 0.210″ cross-section (OD 7.395″)