For over 70 years, Hawthorne Rubber Manufacturing Corporation has been a supplier of both standard and precision custom-molded rubber stoppers to the exact specifications of OEM, industrial, laboratory, and engineering development groups.
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| Size | Top | Bottom | Height | Hole | Top | Bottom | Height | Hole |
|---|---|---|---|---|---|---|---|---|
| S-K36 | .188" | .063" | .750" | - | 4.8mm | 1.6mm | 19.0mm | - |
| S-K36 | .188" | .063" | .750" | .085" | 4.8mm | 1.6mm | 19.0mm | 2.2mm |
| XXX | .313" | .188" | .750" | - | 7.9mm | 4.8mm | 19.0mm | - |
| XXX | .313" | .188" | .750" | .085" | 7.9mm | 4.8mm | 19.0mm | 2.2mm |
| XX | .375" | .250" | .750" | - | 9.5mm | 6.4mm | 19.0mm | - |
| XX | .375" | .250" | .750" | .085" | 9.5mm | 6.4mm | 19.0mm | 2.2mm |
| 000 | .469" | .344" | .750" | - | 11.9mm | 8.7mm | 19.0mm | - |
| 000 | .469" | .344" | .750" | .085" | 11.9mm | 8.7mm | 19.0mm | 2.2mm |
| 00 | .616" | .404" | 1.081" | - | 15.6mm | 10.3mm | 27.4mm | - |
| 0 | .688" | .500" | 1" | - | 17.5mm | 12.7mm | 25.4mm | - |
| 1 | .813" | .547" | 1" | - | 20.7mm | 13.9mm | 25.4mm | - |
| 2 | .875" | .625" | 1" | - | 22.2mm | 15.9mm | 25.4mm | - |
| 3 | .938" | .688" | 1" | - | 23.8mm | 17.5mm | 25.4mm | - |
| 4 | 1.02" | .781" | 1" | - | 25.8mm | 19.8mm | 25.4mm | - |
| 5 | 1.06" | .906" | 1" | - | 26.9mm | 23.0mm | 25.4mm | - |
| 6 | 1.25" | 1.00" | 1" | - | 31.8mm | 25.4mm | 25.4mm | - |
| 7 | 1.50" | 1.25" | 1" | - | 38.1mm | 31.8mm | 25.4mm | - |
| 8 | 1.63" | 1.31" | 1" | - | 41.4mm | 33.3mm | 25.4mm | - |
| 9 | 1.88" | 1.50" | 1" | - | 47.8mm | 38.1mm | 25.4mm | - |
| 10 | 2.00" | 1.63" | 1" | - | 50.8mm | 41.4mm | 25.4mm | - |
| 11 | 2.25" | 1.88" | 1" | - | 57.2mm | 47.8mm | 25.4mm | - |
| 11 1/2 | 2.4" | 2.0" | 1" | - | 60.0mm | 51.0mm | 26.0mm | - |
| 11 1/2 | 2.4" | 2.0" | 1" | .39" | 60.0mm | 51.0mm | 26.0mm | 10mm |
| 12 1/2 | 2.63" | 2.13" | 1.25" | - | 66.7mm | 54.0mm | 31.8mm | - |
| - | 2.63" | 2" | 2" | - | 66.7mm | 50.8mm | 50.8mm | - |
| 13 | 2.75" | 2.38" | 1.13" | - | 69.9mm | 60.3mm | 28.6mm | - |
| 13 1/2 | 3" | 2.4" | 1" | - | 75.0mm | 61.0mm | 26.0mm | - |
| 13 1/2 | 3" | 2.4" | 1" | .39" | 75.0mm | 61.0mm | 26.0mm | 10mm |
| 14 | - | - | ||||||
| 15 | - | - | ||||||
| - | 4.25" | 3.5" | 1.5" | - | 108.0mm | 88.9mm | 38.1mm | - |
| - | 5.25" | 4.25" | 2" | - | 133.3mm | 108.0mm | 50.8mm | - |
| - | 6.125" | 5.5" | 2" | .188" | 155.6mm | 139.7mm | 50.8mm | 4.8mm |
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| Size | Top | Bottom | Length | Hole Dia. | Estimated Pcs./Lb. |
|---|---|---|---|---|---|
| S-K36 | 3/16" | 1/16" | 3/4" | 085" | - |
| XXX | 5/16" | 3/16" | 3/4" | 085" | - |
| XX | 3/8" | 1/4" | 3/4" | .085" | - |
| 000 | 15/32" | 3/16" | 3/4" | 085" | - |
| 000 | 15/32" | 23/64" | 45/64" | 7/64" | 198 |
| 00 | 19/32" | 25/64" | 63/64" | 7/64" | 100 |
| 0 | 43/64" | 33/64" | 63/64" | 7/64" | 75 |
| 1 | 3/4" | 35/64" | 63/64" | 5/32" | 65 |
| 2 | 25/32" | 5/8" | 63/64" | 13/64" | 50 |
| 3 | 15/16" | 23/32" | 63/64" | 13/64" | 40 |
| 4 | 1 1/64" | 25/32" | 63/64" | 13/64" | 30 |
| 5 | 1 1/16" | 29/32" | 63/64" | 13/64" | 25 |
| 5 1/2 | 1 3/32" | 15/16" | 63/64" | 13/64" | 28 |
| 6 | 1 1/4" | 1 1/64" | 63/64" | 13/64" | 20 |
| 7 | 1 29/64" | 1 3/16" | 63/64" | 13/64" | 15 |
| 8 | 1 39/64" | 1 19/64" | 63/64" | 13/64" | 12 |
| 9 | 1 49/64" | 1 29/64" | 63/64" | 13/64" | 10 |
| 10 | 1 31/32" | 1 21/32" | 63/64" | 13/64" | 8 |
| 11 | 2 13/64" | 1 57/64" | 63/64" | 13/64" | 7 |
| 11 1/2 | 2 31/64" | 1 31/32" | 63/64" | 13/64" | 6 |
| 13 | 2 43/64" | 2 9/32" | 63/64" | 13/64" | 5 |
| 13 1/2 | 2 61/64" | 2 7/16" | 1 3/8" | 13/64" | 3 |
| 14 | 3 35/64" | 2 61/64" | 1 17/32" | 13/64" | - |
| 15 | 4 3/64" | 3 17/64" | 1 17/32" | 13/64" | - |
| 16 | 5" | 3 35/64" | 1 31/32" | 13/64" | - |
Note: Scroll right to preview data
| Size | Top | Bottom | Length | Estimated Pcs./Lb. |
|---|---|---|---|---|
| S-K36 | 3/16" | 1/16" | 3/4" | - |
| XXX | 5/16" | 3/16" | 3/4" | - |
| XX | 3/8" | 1/4" | 3/4" | - |
| 000 | 15/32" | 3/16" | 3/4" | - |
| 000 | 15/32" | 23/64" | 45/64" | 181 |
| 00 | 19/32" | 25/64" | 63/64" | 100 |
| 0 | 43/64" | 33/64" | 63/64" | 75 |
| 1 | 3/4" | 35/64" | 63/64" | 65 |
| 2 | 25/32" | 5/8" | 63/64" | 50 |
| 3 | 15/16" | 23/32" | 63/64" | 40 |
| 4 | 1 1/64" | 25/32" | 63/64" | 30 |
| 5 | 1 1/16" | 29/32" | 63/64" | 25 |
| 5 1/2 | 1 3/32" | 15/16" | 63/64" | 26 |
| 6 | 1 1/4" | 1 1/64" | 63/64" | 20 |
| 7 | 1 29/64" | 1 3/16" | 63/64" | 15 |
| 8 | 1 39/64" | 1 19/64" | 63/64" | 12 |
| 9 | 1 49/64" | 1 29/64" | 63/64" | 10 |
| 10 | 1 31/32" | 1 21/32" | 63/64" | 8 |
| 11 | 2 13/64" | 1 57/64" | 63/64" | 7 |
| 11 1/2 | 2 31/64" | 1 31/32" | 63/64" | 6 |
| 13 | 2 43/64" | 2 9/32" | 63/64" | 5 |
| 13 1/2 | 2 61/64" | 2 7/16" | 1 3/8" | 3 |
| 14 | 3 35/64" | 2 61/64" | 1 17/32" | - |
| 15 | 4 3/64" | 3 17/64" | 1 17/32" | - |
| 16 | 5" | 3 35/64" | 1 31/32" | - |
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| Size | Top | Bottom | Length |
|---|---|---|---|
| 00 | 19/32" | 13/32" | 63/64" |
| 0 | 21/32" | 33/64" | 63/64" |
| 1 | 3/4" | 35/64" | 1 1/64" |
| 2 | 25/32" | 5/8" | 63/64" |
| 3 | 61/64" | 23/32" | 63/64" |
| 4 | 1 1/64" | 51/64" | 61/64" |
| 5 | 1 1/16" | 29/32" | 31/32" |
| 6 | 1 1/4" | 1 1/32" | 29/32" |
| 7 | 1 29/64" | 1 3/16" | 61/64" |
| 8 | 1 39/64" | 1 9/32" | 1" |
| 9 | 1 49/64" | 1 15/32" | 63/64" |
| 10 | 1 31/32" | 1 21/32" | 59/64" |
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| Part Number | Large End | Small End | Length | Color |
|---|---|---|---|---|
| S-K41 SI-55 | 1/8" | 1/32" | 5/8" | Translucent |
| S-K35 SI-55 | 1/8" | 1/16" | 5/8" | Light Green |
| S-K36 SI-55 | 3/16" | 1/16" | 3/4" | Pink |
| S-K37 SI-55 | 1/4" | 1/8" | 3/4" | Black |
| S-XXX SI-55 | 5/16" | 3/16" | 3/4" | Red - Orange |
| S-K38 SI-55 | 11/32" | 3/16" | 5/8" | Dark Red |
| S-XX SI-55 | 3/8" | 1/4" | 3/4" | Yellow |
| S-000 SI-55 | 15/32" | 3/16" | 3/4" | Red - Orange |
| S-K52 SI-55 | 1/2" | 5/16" | 13/16" | Translucent |
| S-K53 SI-55 | 5/8" | 7/16" | 13/16" | Light Green |
| S-K54 SI-55 | 3/4" | 9/16" | 1" | Black |
| S-3 SI-55 | 15/16" | 23/32" | 1" | Yellow |
| S-4 SI-55 | 1 1/64" | 25/32" | 1" | Translucent |
| S-6 SI-55 | 1 17/64" | 1 1/32" | 1" | Dark Green |
| S-8 SI-55 | 1 39/64" | 1 5/16" | 1" | Translucent |
| S-9 SI-55 | 1 49/64" | 1 15/32" | 1" | Red |
| S-10 SI-55 | 1 31/32" | 1 5/8" | 1" | Translucent |
| S-11 SI-55 | 2 13/64" | 1 7/8" | 1" | Dark Blue |
| S-11 1/2 SI-55 | 2 31/64" | 1 31/32" | 1" | Rusty Red |
| S-K68 SI-55 | 2 23/64" | 2 1/8" | 1" | Red |
| S-13 1/2 SI-55 | 2 61/64" | 2 7/16" | 1 3/8" | Rusty Red |
| S-14 SI-55 | 3 35/64" | 3" | 1 1/2" | Rusty Red |
| S-15 SI-55 | 4 3/64" | 3 1/4" | 1 1/2" | Rusty Red |
| S-16 SI-55 | 5" | 3 1/2" | 2" | Rusty Red |
If you don’t see the stopper size you are looking for, just ask us, and we will quote you. We supply standard and custom stoppers in a wide range of materials, including Fluorocarbon (both Fluorel and Viton®), Fluorosilicone, Silicone, Urethane, Nitrile, Neoprene, EPR, SBR, and Natural Rubber. We mold stoppers in translucent, colored, or black rubber. Some compounds can conduct electricity, or be used in FDA, dental, or pharmaceutical applications.