AS568-251 O-ring · 5 1/8 ID × 1/8 cross-section
Standard AS568 size -251: 5.109 in inside diameter × 0.139 in cross-section (129.77 × 3.53 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.
Dimensions (inch)
| Dash number | AS568-251 |
|---|---|
| Inside diameter | 5.109 ± 0.035 |
| Cross-section | 0.139 ± 0.004 |
| Outside diameter (calculated) | 5.387 |
| Nominal | 5 1/8 × 5 3/8 × 1/8 |
Dimensions (mm)
| Inside diameter | 129.77 ± 0.89 |
|---|---|
| Cross-section | 3.53 ± 0.10 |
| Outside diameter (calc.) | 136.83 |
Material options for -251
Check your groove for -251
Enter your gland dimensions. Results are nominal geometry.