AS568-137 O-Ring
Inside diameter 2.050″
Cross-section 0.103″
Outside diameter 2.256″
Metric (ID × CS) 52.07 × 2.62 mm
OD is derived: ID + 2 × CS = 2.050″ + 2 × 0.103″ = 2.256″.
Neighboring sizes (CS 0.103″ series)
| Dash | ID | OD | ID mm | vs -137 |
|---|---|---|---|---|
| -135 | 1.925″ | 2.131″ | 48.89 | ID −0.125″ |
| -136 | 1.987″ | 2.193″ | 50.47 | ID −0.063″ |
| -137 | 2.050″ | 2.256″ | 52.07 | — |
| -138 | 2.112″ | 2.318″ | 53.64 | ID +0.062″ |
| -139 | 2.175″ | 2.381″ | 55.24 | ID +0.125″ |