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About O-Rings
More
Oil-Resistant Hard Buna-N O-Rings for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these are for use in tube fittings with a straight-thread connection. They're made of hard Buna-N, which is resilient and offers excellent resistance to wear, grease, petroleum fluids, and motor oil. These O-rings have a round profile and are suitable for a wide range of static and dynamic sealing applications. They're sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 90A (Hard) | ASTM D2000, SAE AS568, SAE J200 | -10° to 210° | Black | 100 | 00000000 | 000000 |
Oil- and Abrasion-Resistant Polyurethane O-Rings
for Tube Fittings with Straight-Thread Connection
Commonly called Boss O-rings, these polyurethane O-rings are for use in tube fittings with a straight-thread connection. They resist mineral oil, motor oil, and ethylene glycol. All have a round profile and are suitable for a wide range of static and dynamic sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | ASTM D2000, SAE AS568, SAE J200 | -40° to 200° | Black | 1 | 00000000 | 000000 |
Chemical-Resistant Hard Viton® Fluoroelastomer O-Rings
for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these hard Viton® fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. They resist a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol. All have a round profile and are suitable for both static and dynamic sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 90A (Hard) | ASTM D2000, SAE AS568, SAE J200 | 0° to 400° | Black | 25 | 00000000 | 000000 |
Chemical-Resistant Brown Viton® Fluoroelastomer
O-Rings for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, all of these Viton® fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. They resist a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol. All are brown for easy identification. These O-rings have a round profile and are suitable for both static and dynamic sealing applications. They have shelf life, cure date, and traceable lot number printed on the bag. All are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 0.116" | 1.171" | 1.403" | Durometer 75A (Medium) | ASTM D2000, SAE AS568, SAE J200 | -15° to 400° | Brown | 25 | 00000000 | 000000 |
Chemical-Resistant Mil. Spec. Viton® Fluoroelastomer
O-Rings for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these Viton® fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. They meet MIL-R-83248. They resist chemicals such as benzene, butyl alcohol, and ethylene glycol. All have a round profile and are suitable for a wide range of static and dynamic sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 75A (Medium) | ASTM D2000, MIL-R-83248, SAE AS568, SAE J200 | 0° to 400° | Black | 25 | 00000000 | 000000 |
Ultra-Chemical-Resistant Rigid PTFE O-Rings
for Tube Fittings with Straight-Thread Connection
These temperature- and chemical-resistant O-rings prevent leaks in tube fittings that have a straight-thread connection, also known as O-ring boss fittings. Because they’re PTFE, these O-rings are slippery, won’t tear, and resist harsh chemicals such as acetone, fluorinated solvents, methanol, and boric acid. They’re also made of FDA-listed materials, so they’re safe to use in food production lines. However, they’re rigid, which makes them more difficult to install than flexible O-rings. They come in standard dash number sizes according to SAE AS568A.
For technical drawings and 3-D models, click on a part number.
Fractional | Actual | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dash Number | For Tube OD | Wd. | ID | OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 1/8 | 1 11/64 | 1 13/32 | 0.116" | 1.171" | 1.403" | Durometer 55D (Hard) | FDA Compliant 21 CFR 177.1550, SAE AS568 | -300° to 500° | White | 5 | 0000000 | 000000 |
Chemical-Resistant Low-Temperature Fluorosilicone
O-Rings for Tube Fittings with Straight-Thread Connection
Flexible even at temperatures as low as -80° 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. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | ASTM D2240, MIL-R-25988, SAE AS568 | -80° to 350° | Blue | 2 | 0000000 | 000000 |
High-Temperature Soft Silicone O-Rings
Able to withstand temperatures up to 400° F, these silicone O-rings are softer than standard silicone O-rings for a better seal in low-pressure applications. They 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.
Fractional | Actual | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dash Number | For Tube OD | ID | OD | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
Wd.: 1/8 Fractional (0.116" Actual) | ||||||||||||
| 916 | 1" | 1 11/64 | 1 13/32 | 1.171" | 1.403" | Durometer 50A (Soft) | ASTM D2000, SAE AS568 | -60° to 400° | Red | 5 | 00000000 | 000000 |
High-Temperature High-Purity Silicone O-Rings
for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these silicone O-rings are for use in tube fittings with a straight-thread connection. They withstand temperatures up to 400° F and bounce back after compression. All have a round profile and are suitable for a wide range of sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | -60° to 400° | Red | 25 | 00000000 | 000000 |
Water- and Steam-Resistant EPDM O-Rings for
Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these EPDM O-rings are for use in tube fittings with a straight-thread connection. They resist water, steam, ethanol, and ethylene glycol. All have a round profile and are suitable for a wide range of static and dynamic sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | ASTM D2000, SAE AS568, SAE J200 | -70° to 250° | Black | 70 | 00000000 | 000000 |
Water-Resistant Neoprene O-Rings for Tube Fittings with Straight-Thread Connection
Also known as Boss O-rings, these neoprene O-rings are for use in tube fittings with a straight-thread connection. They resist water, ammonia, ethylene glycol, and isopropyl alcohol. All have a round profile and are suitable for a wide range of static and dynamic sealing applications. These O-rings are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
| Dash Number | For Tube OD | Wd. | ID | OD | Hardness | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
| 916 | 1" | 0.116" | 1.171" | 1.403" | Durometer 70A (Medium) | -10° to 170° | Black | 70 | 00000000 | 000000 |