Spiral Wound Gaskets ASME B16.20

| Carbon Steel Outer Ring | Reday Stock Size |
| 1/2 X 150 Class | 3206 |
| 3/4x 150 Class | 1629 |
| 1 X 150 Class | 3790 |
| 1½ x 150 Class | 3790 |
| 2 x 150 class | 1500 |
| 2½ x 150 Class | 1347 |
| 3 x 150 Class | 5001 |
| 4 x 150 Class | 2275 |
| 3/4 x 300 Class | 1296 |
| 1 x 300 Class | 5021 |
| 1½ x 300 Class | 2608 |
| 2 x 300 Class | 7306 |
| 2½ x 300 Class | 1223 |
| 3 x 300 Class | 1170 |
| 4 x 300 Class | 1170 |
| 8″ x 300 Class | 1500 |