AS568-389 O-ring · 20 ID × 3/16 cross-section
Standard AS568 size -389: 19.955 in inside diameter × 0.210 in cross-section (506.86 × 5.33 mm). Dimensions, tolerances, groove check and material options for specifying this size in a production design.
Dimensions (inch)
| Dash number | AS568-389 |
|---|---|
| Inside diameter | 19.955 ± 0.095 |
| Cross-section | 0.210 ± 0.005 |
| Outside diameter (calculated) | 20.375 |
| Nominal | 20 × 20 3/8 × 3/16 |
Dimensions (mm)
| Inside diameter | 506.86 ± 2.41 |
|---|---|
| Cross-section | 5.33 ± 0.13 |
| Outside diameter (calc.) | 517.52 |
Material options for -389
Check your groove for -389
Enter your gland dimensions. Results are nominal geometry.