About O-Rings
More
Oil-Resistant Buna-N O-Ring Assortments
All of the O-rings in these assortments are made of Buna-N. They resist animal, vegetable, and motor oils. All have a round profile and are suitable for a wide range of static and dynamic sealing applications.
Metric O-rings are sized to the actual measured inside diameter.
| Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Each | |
Durometer 70A (Medium) | ||||||
|---|---|---|---|---|---|---|
Black | ||||||
| 380 | 36 | 1.9 mm wide o-rings (2.8, 3.8, 4.8, 5.8, 6.8, 7.8, 8.8, 9.8 mm IDs) 2.4 mm wide o-rings (9.8, 10.8, 11, 11.8, 12.8, 13.8, 14.8, 15.8, 17.8, 19.8, 20.8, 21.8 mm IDs) 3.1 mm wide o-rings (24.4, 29.4 mm IDs) 3.5 mm wide o-rings (21.7, 22.1, 23.7, 24.7, 25.2, 25.7, 27.7, 28.7, 29.2, 29.7, 30.7, 31.2 mm IDs) 4.0 mm wide o-rings (14.5, 23.5 mm IDs) | ASTM D2000, JIS B 2401 | -25° to 250° | 00000000 | 000000 |
| 385 | 30 | 2.0 mm wide o-rings (3, 4, 5, 6, 7, 8, 10 mm IDs) 2.5 mm wide o-rings (10, 11, 12, 14, 16, 17, 19 mm IDs) 3.0 mm wide o-rings (19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 38 mm IDs) 4.0 mm wide o-rings (38, 41, 44 mm IDs) | ASTM D2000 | -25° to 250° | 0000000 | 00000 |
| 500 | 36 | 1.5 mm wide o-rings (5, 13, 16 mm IDs) 1.6 mm wide o-rings (2.2, 3.1, 4.1, 7.1, 9.1, 10.1, 13.1 mm IDs) 2.0 mm wide o-rings (4, 6, 8, 9, 10, 12, 14, 16, 19, 20 mm IDs) 2.4 mm wide o-rings (4.3, 5.3, 5.6, 7.6, 8.3, 8.6 mm IDs) 2.5 mm wide o-rings (10, 13-19 mm IDs) 3.0 mm wide o-rings (9, 10, 11 mm IDs) | ASTM D2000 | -25° to 250° | 0000000 | 00000 |
Oil-Resistant Hard Buna-N O-Ring Assortments
Offering better wear resistance than standard Buna-N O-rings, all of the O-rings in these assortments are made of hard Buna-N. They resist animal, vegetable, and motor oils. These O-rings have a round profile and are suitable for a wide range of static and dynamic sealing applications.
Metric O-rings are sized to the actual measured inside diameter.
For technical drawings and 3-D models, click on a part number.
| Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temp. Range, °F | Hardness | Color | Each | |
| 385 | 30 | 2.0 mm wide o-rings (3, 4, 5, 6, 7, 8, 10 mm IDs) 2.5 mm wide o-rings (10, 11, 12, 14, 16, 17, 19 mm IDs) 3.0 mm wide o-rings (19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 38 mm IDs) 4.0 mm wide o-rings (38, 41, 44 mm IDs) | ASTM D2000 | -25° to 250° | Durometer 90A (Hard) | Black | 0000000 | 000000 |
Chemical-Resistant Viton® Fluoroelastomer O-Ring Assortments
All of the O-rings in these assortments are Viton® fluoroelastomer and resist isopropyl alcohol, mineral oils, and transmission fluid. They have a round profile and are suitable for a wide range of static and dynamic sealing applications.
Metric O-rings are sized to the actual measured inside diameter.
For technical drawings and 3-D models, click on a part number.
| No. of Pieces | No. of Sizes Included | Includes | Specifications Met | Temp. Range, °F | Each | |
Durometer 75A (Medium) | ||||||
|---|---|---|---|---|---|---|
Black | ||||||
| 500 | 36 | 1.5 mm wide o-rings (5, 13, 16 mm IDs) 1.6 mm wide o-rings (2.2, 3.1, 4.1, 7.1, 9.1, 10.1, 13.1 mm IDs) 2.0 mm wide o-rings (4, 6, 8, 9, 10, 12, 14, 16, 19, 20 mm IDs) 2.4 mm wide o-rings (4.3, 5.3, 5.6, 7.6, 8.3, 8.6 mm IDs) 2.5 mm wide o-rings (10, 13-19 mm IDs) 3.0 mm wide o-rings (9, 10, 11 mm IDs) | ASTM D2000, SAE J200 | -15° to 400° | 0000000 | 0000000 |
O-Ring Bonding Kits
These kits include everything you need to make your own O-rings, including cord stock, a splicing jig, adhesive, and a razor blade.
Buna-N cord stock resists oil and grease.
Relacement jigs splice cord stock from 0.103” to 0.375” Wd.
| Material | Wd. | Hardness | Temperature Range, °F | Color | Lg., ft. | Each | |
| Buna-N Rubber | 1.5mm, 0.07", 2mm, 2.5mm, 0.103", 3mm, 3.5mm, 0.139", 4mm, 5mm, 0.21", 5.7mm, 0.275", 8.4mm | Durometer 70A (Medium) | -40° to 212° | Black | 3 | 0000000 | 000000 |
| Buna-N Rubber | 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 5.7mm, 8.4mm | Durometer 70A (Medium) | -40° to 212° | Black | 3 | 000000 | 00000 |
| 4" Lg. × 5/8" Wd. Replacement Jig for 0.103" to 0.375" Wd. Cord Stock | 000000 | Each | 00000 |