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 | Rectangle |
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 | Black |
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About O-Rings
More
Oil-Resistant Buna-N Backup Rings
Made of Buna-N, these backup rings resist grease, petroleum fluids, and motor oil. Use them to extend the life of your O-rings and improve their performance in high-pressure applications.
For technical drawings and 3-D models, click on a part number.
| For Dash Number | ID | Thick. | Hardness | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
0.236" Wide | ||||||||
|---|---|---|---|---|---|---|---|---|
| 426 | 4.676" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 00000 |
| 427 | 4.801" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 0000 |
| 429 | 5.051" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 0000 |
| 433 | 5.551" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 0000 |
| 437 | 6.051" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 00000 |
| 439 | 6.524" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 00000 |
| 443 | 7.524" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 10 | 00000000 | 00000 |
| 446 | 8.524" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 5 | 00000000 | 0000 |
| 451 | 11.024" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 5 | 00000000 | 00000 |
| 452 | 11.524" | 0.117" | Durometer 90A (Hard) | -40° to 250° | Black | 5 | 00000000 | 00000 |
V-Belts
