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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.
Inch O-rings have a dash number and are sized to the SAE standard AS568.
The 1,110-piece assortment contains a mix of standard O-rings and O-rings for tube fittings with a straight-thread connection.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Each | |
Durometer 70A (Medium) | ||||||
---|---|---|---|---|---|---|
Black | ||||||
200 | 12 | Dash Numbers 010-012, 110-116, 211-212 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 000000 |
382 | 30 | Dash Numbers 006-012, 110-116, 210-222, 325-327 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 00000 |
436 | 36 | Dash Numbers 005-018, 110-121, 210-219 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 00000 |
611 | 37 | Dash Numbers 006-012, 110-116, 210-222, 325-334 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 000000 |
1,110 | 150 | Dash Numbers 001-046, 110-151, 210-237, 325-338, 901-914, 916, 918, 920, 924, 928, 932 | ASTM D2000, SAE AS568 | -25° to 250° | 0000000 | 000000 |
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.
Inch O-rings have a dash number and are sized to the SAE standard AS568.
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 |
Oil-Resistant Soft Buna-N O-Ring Assortments

Softer than standard Buna-N O-rings for a better seal in low-pressure applications. The O-rings in this assortment resist animal, vegetable, and motor oil. 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.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature 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 50A (Soft) | Black | 0000000 | 000000 |
Oil-Resistant Hard Buna-N O-Ring Assortments
for Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, all of the O-rings in these assortments are for use in tube fittings with a straight-thread connection. Made of hard Buna-N, they offer excellent wear resistance. They also resist animal, vegetable, and motor oil. 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.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Hardness | Color | Each | |
212 | 20 | Dash Numbers 901-914, 916, 918, 920, 924, 928, 932 | ASTM D2000, SAE AS568 | -25° to 250° | Durometer 90A (Hard) | Black | 0000000 | 000000 |
Square-Profile Oil-Resistant Buna-N O-Ring Assortments

All of the O-rings in this assortment have a square profile with flat edges on all four sides. They cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections. They're made of Buna-N, which is resilient and offers excellent tear resistance. They resist hydraulic oils and motor oil. All are sized to the SAE standard AS568.
For technical drawings and 3-D models, click on a part number.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Hardness | Color | Each | |
382 | 30 | Dash Numbers 006-012, 110-116, 210-222, 325-327 | ASTM D2000, SAE AS568, SAE J200 | -30° to 212° | Durometer 70A (Medium) | Black | 0000000 | 0000000 |
X-Profile Oil-Resistant Buna-N O-Ring Assortments

The O-rings in these assortments are also known as Quattro Seals and X-rings. They have an X-profile with four points of contact for a better seal in dynamic applications than round-profile O-rings, plus they require less compression to make a seal, so they offer a longer service life. Made of Buna-N, these O-rings resist animal, vegetable, and motor oils. All are sized to the SAE standard AS568.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Hardness | Color | Each | |
226 | 36 | Dash Numbers 005-018, 110-121, 210-219 | ASTM D2000, SAE AS568 | -25° to 250° | Durometer 70A (Medium) | Black | 00000000 | 000000 |
Ultra-Chemical-Resistant Rigid PTFE O-Ring Assortments

The O-rings in this assortment are rigid and hard with a slippery surface. Made of PTFE, they resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric, nitric, and sulfonic acids. 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.
Number of Pieces | Number of Sizes Included | Includes | Temperature Range, °F | Hardness | Color | Each | |
325 | 36 | Dash Numbers 005-018, 110-121, 210-219 | -100° to 500° | Durometer 55D (Hard) | White | 00000000 | 0000000 |
Chemical-Resistant Hard Viton® Fluoroelastomer O-Ring
Assortments for Tube Fittings with Straight-Thread Connection

Also known as Boss O-rings, all of these hard Viton® fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. They resist wear, isopropyl alcohol, mineral oils, and transmission fluid. 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.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Hardness | Color | Each | |
212 | 20 | Dash Numbers 901-914, 916, 918, 920, 924, 928, 932 | ASTM D2000, SAE AS568, SAE J200 | -15° to 400° | Durometer 90A (Hard) | Black | 0000000 | 0000000 |
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.
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.
The 1,110-piece assortment contains a mix of standard O-rings and O-rings for tube fittings with a straight-thread connection.
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 | ||||||
180 | 30 | Dash Numbers 006-012, 110-116, 210-222, 325-327 | ASTM D2000, SAE AS568, SAE J200 | -15° to 400° | 0000000 | 0000000 |
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 | 000000 |
611 | 37 | Dash Numbers 006-012, 110-116, 210-222, 325-334 | ASTM D2000, SAE AS568, SAE J200 | -15° to 400° | 00000000 | 000000 |
1,110 | 150 | Dash Numbers 001-046, 110-151, 210-237, 325-338, 901-914, 916, 918, 920, 924, 928, 932 | ASTM D2000, SAE AS568, SAE J200 | -15° to 400° | 0000000 | 000000 |
Water- and Steam-Resistant and High-Temperature O-Ring Assortments

These assortments include a mix of 584 EPDM O-rings that resist water and steam and 584 silicone O-rings that resist temperatures up to 450° F. 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.
EPDM Rubber | Silicone Rubber | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of PIeces | No. of Sizes Included | Includes | Specifications Met | Temp. Range, °F | Hardness | Color | Specifications Met | Temp. Range, °F | Hardness | Color | Each | |
1,168 | 19 | Dash Numbers 006-012, 110-116, 210-214 | ASTM D2000 SAE AS568 SAE J200 | -60° to 250° | Durometer 70A (Medium) | Black | SAE AS568 | -65° to 450° | Durometer 70A (Medium) | Red | 0000000 | 0000000 |
High-Temperature O-Ring Assortments

Able to withstand heat up to 450° F, the O-rings in these assortments are silicone and maintain a strong seal even when the temperature rises. 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.
Number of Pieces | Number of Sizes Included | Includes | Temperature Range, °F | Hardness | Color | Each | |
200 | 12 | Dash Numbers 010-012, 110-116, 211-212 | -65° to 450° | Durometer 70A (Medium) | Red | 00000000 | 000000 |
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 |
Water- and Steam-Resistant O-Ring Assortments

In addition to water and steam, the O-rings in this assortment resist ethanol and ethylene glycol. Made of EPDM, 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.
Number of Pieces | Number of Sizes Included | Includes | Specifications Met | Temperature Range, °F | Hardness | Color | Each | |
200 | 12 | Dash Numbers 010-012, 110-116, 211-212 | ASTM D2000, SAE AS568, SAE J200 | -60° to 250° | Durometer 70A (Medium) | Black | 00000000 | 000000 |