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Oil- and Chemical-Resistant O-Ring Assortments

This assortment contains 584 Buna-N O-rings that resist oil and 584 Viton® fluoroelastomer O-rings that resist boric acid, fuels, and transmission fluid. These O-rings have a round profile and are suitable for a wide range of static and dynamic sealing applications. All are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
Buna-N Rubber | Viton® Fluoroelastomer Rubber | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of Pieces | Number of Sizes Included | Includes | Temperature Range, °F | Hardness | Color | Temperature Range, °F | Hardness | Color | Each | |
1,168 | 19 | Dash Numbers 006-012, 110-116, 210-214 | -25° to 250° | Durometer 70A (Medium) | Black | -15° to 400° | Durometer 75A (Medium) | Brown | 0000000 | 0000000 |
Chemical-Resistant Low-Temperature Fluorosilicone
O-Rings for Tube Fittings with Straight-Thread Connection


Flexible even at temperatures as low as -75° F, these fluorosilicone O-rings will keep your fittings free from leaks. They’re often used on fuel and coolant hose because fluorosilicone resists many chemicals, including ethanol and ethylene glycol. Also known as Boss O-rings, these O-rings work with tube fittings with a straight-thread connection, such as BSPP, UN/UNF, and most metric fittings.
These O-rings meet MIL and ASTM standards for the chemical and physical properties of fluorosilicone. They also meet SAE AS568A for standard O-ring sizing.
Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
901 | 3/32" | 0.056" | 0.185" | 0.297" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 10 | 0000000 | 00000 |
902 | 1/8" | 0.064" | 0.239" | 0.367" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 10 | 0000000 | 0000 |
903 | 3/16" | 0.064" | 0.301" | 0.429" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 10 | 0000000 | 00000 |
904 | 1/4" | 0.072" | 0.351" | 0.495" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 10 | 0000000 | 00000 |
905 | 5/16" | 0.072" | 0.414" | 0.558" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 0000 |
906 | 3/8" | 0.078" | 0.468" | 0.624" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 0000 |
907 | 7/16" | 0.082" | 0.53" | 0.694" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 0000 |
908 | 1/2" | 0.087" | 0.644" | 0.818" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 00000 |
909 | 9/16" | 0.097" | 0.706" | 0.9" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 00000 |
910 | 5/8" | 0.097" | 0.755" | 0.949" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 5 | 0000000 | 00000 |
911 | 11/16" | 0.116" | 0.863" | 1.095" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 2 | 0000000 | 0000 |
912 | 3/4" | 0.116" | 0.924" | 1.156" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 2 | 0000000 | 0000 |
914 | 7/8" | 0.116" | 1.047" | 1.279" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 2 | 0000000 | 00000 |
916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 2 | 0000000 | 00000 |
918 | 1 1/8" | 0.116" | 1.355" | 1.587" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 1 | 0000000 | 00000 |
920 | 1 1/4" | 0.118" | 1.475" | 1.711" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 1 | 0000000 | 00000 |
924 | 1 1/2" | 0.118" | 1.72" | 1.956" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 1 | 0000000 | 00000 |
928 | 1 3/4" | 0.118" | 2.09" | 2.326" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 1 | 0000000 | 00000 |
932 | 2" | 0.118" | 2.337" | 2.573" | Durometer 70A (Medium) | ASTM D2000, MIL-R-25988, SAE AS568 | -75° to 390° | Blue | 1 | 0000000 | 00000 |