AS568-128 O-Ring
Inside diameter 1.487″
Cross-section 0.103″
Outside diameter 1.693″
Metric (ID × CS) 37.77 × 2.62 mm
OD is derived: ID + 2 × CS = 1.487″ + 2 × 0.103″ = 1.693″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -128 |
|---|---|---|---|---|
| -126 | 1.362″ | 1.568″ | 34.59 | ID −0.125″ |
| -127 | 1.424″ | 1.630″ | 36.17 | ID −0.063″ |
| -128 | 1.487″ | 1.693″ | 37.77 | — |
| -129 | 1.549″ | 1.755″ | 39.34 | ID +0.062″ |
| -130 | 1.612″ | 1.818″ | 40.94 | ID +0.125″ |