AS568-109 O-Ring
Inside diameter 0.299″
Cross-section 0.103″
Outside diameter 0.505″
Metric (ID × CS) 7.59 × 2.62 mm
OD is derived: ID + 2 × CS = 0.299″ + 2 × 0.103″ = 0.505″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -109 |
|---|---|---|---|---|
| -107 | 0.206″ | 0.412″ | 5.23 | ID −0.093″ |
| -108 | 0.237″ | 0.443″ | 6.02 | ID −0.062″ |
| -109 | 0.299″ | 0.505″ | 7.59 | — |
| -110 | 0.362″ | 0.568″ | 9.19 | ID +0.063″ |
| -111 | 0.424″ | 0.630″ | 10.77 | ID +0.125″ |