The standard white rubber stopper size dimensions - top diameter x bottom diameter x height in mm.
Standard Stopper Sizes
| Size | Top | Bottom | Height |
| 000 (MS08) | 11.9mm | 8.7mm | 19.0mm |
| 00 (MS11) | 15.6mm | 10.3mm | 27.4mm |
| 0 (MS13) | 17.5mm | 12.7mm | 25.4mm |
| 1 (MS14) | 20.7mm | 13.9mm | 25.4mm |
| 2 (MS15) | 22.2mm | 15.9mm | 25.4mm |
| 3 (MS17) | 23.8mm | 17.5mm | 25.4mm |
| 4 (MS19) | 25.8mm | 19.8mm | 25.4mm |
| 5 (MS22) | 26.9mm | 23.0mm | 25.4mm |
| 7 (MS29) | 38.1mm | 31.8mm | 25.4mm |
| 8 (MS33) | 41.4mm | 33.3mm | 25.4mm |
| 9 (MS38) | 47.8mm | 38.1mm | 25.4mm |
| 11 1/2 | 60.0mm | 51.0mm | 26.0mm |
| 12 1/2 | 66.7mm | 54.0mm | 31.8mm |
| ‐ | 66.7mm | 50.8mm | 50.8mm |
| 13 | 69.9mm | 60.3mm | 28.6mm |
| 13 1/2 | 75.0mm | 61.0mm | 26.0mm |
| 14 | |||
| 15 | |||
| ‐ | 108.0mm | 88.9mm | 38.1mm |
| ‐ | 133.3mm | 108.0mm | 50.8mm |
| ‐ | 155.6mm | 139.7mm | 50.8mm |
Note: Rubber is ethylene propylene diene monomer, EPT, EPDM. It can tolerate up to 130°C
Also note that some sizes have been discontinued and are no longer available.
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