Hardness Hardness |
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Hardness Rating Hardness Rating |
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 | Hard |
For Use With For Use With |
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Cross Section Shape Cross Section Shape |
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 | Round |
Color Color |
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 | Black |
Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Material Material |
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Number of Sizes Included Number of Sizes Included |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About O-Rings
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Oil-Resistant Hard Buna-N O-Ring Assortments
382- and 385-Piece Assortment
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.
Inch O-rings have a dash number and are sized to the SAE standard AS568.
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 | |
| 382 | 30 | Dash Numbers 006-012, 110-116, 210-222, 325-327 | ASTM D2000, SAE AS568 | -25° to 250° | Durometer 90A (Hard) | Black | 0000000 | 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° | Durometer 90A (Hard) | Black | 0000000 | 00000 |