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About O-Rings
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Find the right size, compare compatible materials, and choose the best cross section shape for your O-ring.
High-Pressure Oil- and Abrasion-Resistant Polyurethane O-Rings
These O-rings are harder and stronger than standard polyurethane O-rings to handle high-pressure applications. They resist mineral oil, motor oil, grease, hydraulic oils, and synthetic lubricants.
Fractional | Actual | Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dash Number  | ID | OD | ID | OD | Hardness | Max. Pressure, psi | Specifications Met | Temperature Range, °F | Color | Pkg. Qty. | 1-9 | 10-Up | |
Wd.: 1/16 Fractional (0.07" Actual) | |||||||||||||
| 005 | 3/32 | 7/32 | 0.101" | 0.241" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K511 | 000000 | 000000 |
| 006 | 1/8 | 1/4 | 0.114" | 0.254" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K512 | 00000 | 00000 |
| 007 | 5/32 | 9/32 | 0.145" | 0.285" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K513 | 00000 | 00000 |
| 008 | 3/16 | 5/16 | 0.176" | 0.316" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K514 | 00000 | 00000 |
| 009 | 7/32 | 11/32 | 0.208" | 0.348" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K515 | 00000 | 00000 |
| 010 | 1/4 | 3/8 | 0.239" | 0.379" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K516 | 00000 | 00000 |
| 011 | 5/16 | 7/16 | 0.301" | 0.441" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K517 | 00000 | 00000 |
| 012 | 3/8 | 1/2 | 0.364" | 0.504" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K518 | 00000 | 00000 |
| 013 | 7/16 | 9/16 | 0.426" | 0.566" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K519 | 00000 | 00000 |
| 014 | 1/2 | 5/8 | 0.489" | 0.629" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K521 | 00000 | 00000 |
| 015 | 9/16 | 11/16 | 0.551" | 0.691" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K522 | 00000 | 00000 |
| 016 | 5/8 | 3/4 | 0.614" | 0.754" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K523 | 00000 | 00000 |
| 017 | 11/16 | 13/16 | 0.676" | 0.816" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K524 | 00000 | 00000 |
| 018 | 3/4 | 7/8 | 0.739" | 0.879" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K525 | 00000 | 00000 |
| 019 | 13/16 | 15/16 | 0.801" | 0.941" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K526 | 00000 | 00000 |
| 020 | 7/8 | 1 | 0.864" | 1.004" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K527 | 00000 | 00000 |
| 021 | 15/16 | 1 1/16 | 0.926" | 1.066" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K528 | 00000 | 00000 |
| 022 | 1 | 1 1/8 | 0.989" | 1.129" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K529 | 00000 | 00000 |
| 023 | 1 1/16 | 1 3/16 | 1.051" | 1.191" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K531 | 00000 | 00000 |
| 024 | 1 1/8 | 1 1/4 | 1.114" | 1.254" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K532 | 0000 | 0000 |
| 026 | 1 1/4 | 1 3/8 | 1.239" | 1.379" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K533 | 0000 | 0000 |
| 027 | 1 5/16 | 1 7/16 | 1.301" | 1.441" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K534 | 0000 | 0000 |
| 028 | 1 3/8 | 1 1/2 | 1.364" | 1.504" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K535 | 0000 | 0000 |
| 030 | 1 5/8 | 1 3/4 | 1.614" | 1.754" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K536 | 0000 | 0000 |
| 031 | 1 3/4 | 1 7/8 | 1.739" | 1.879" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K537 | 0000 | 0000 |
Wd.: 3/32 Fractional (0.103" Actual) | |||||||||||||
| 104 | 1/8 | 5/16 | 0.112" | 0.318" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K538 | 00000 | 00000 |
| 107 | 7/32 | 13/32 | 0.206" | 0.412" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K539 | 00000 | 00000 |
| 109 | 5/16 | 1/2 | 0.299" | 0.505" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K541 | 00000 | 00000 |
| 110 | 3/8 | 9/16 | 0.362" | 0.568" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K542 | 00000 | 00000 |
| 111 | 7/16 | 5/8 | 0.424" | 0.63" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K543 | 00000 | 00000 |
| 112 | 1/2 | 11/16 | 0.487" | 0.693" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K544 | 00000 | 00000 |
| 113 | 9/16 | 3/4 | 0.549" | 0.755" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K545 | 00000 | 00000 |
| 114 | 5/8 | 13/16 | 0.612" | 0.818" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K546 | 00000 | 00000 |
| 115 | 11/16 | 7/8 | 0.674" | 0.88" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 5 | 9558K547 | 00000 | 00000 |
| 116 | 3/4 | 15/16 | 0.737" | 0.943" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K548 | 0000 | 0000 |
| 117 | 13/16 | 1 | 0.799" | 1.005" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K549 | 0000 | 0000 |
| 118 | 7/8 | 1 1/16 | 0.862" | 1.068" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K551 | 0000 | 0000 |
| 119 | 15/16 | 1 1/8 | 0.924" | 1.13" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K552 | 0000 | 0000 |
| 120 | 1 | 1 3/16 | 0.987" | 1.193" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K553 | 0000 | 0000 |
| 121 | 1 1/16 | 1 1/4 | 1.049" | 1.255" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K554 | 0000 | 0000 |
| 122 | 1 1/8 | 1 5/16 | 1.112" | 1.318" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K556 | 0000 | 0000 |
| 123 | 1 3/16 | 1 3/8 | 1.174" | 1.38" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K557 | 0000 | 0000 |
| 124 | 1 1/4 | 1 7/16 | 1.237" | 1.443" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K558 | 0000 | 0000 |
| 125 | 1 5/16 | 1 1/2 | 1.299" | 1.505" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K559 | 0000 | 0000 |
| 126 | 1 3/8 | 1 9/16 | 1.362" | 1.568" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K561 | 0000 | 0000 |
| 127 | 1 7/16 | 1 5/8 | 1.424" | 1.63" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K562 | 0000 | 0000 |
| 128 | 1 1/2 | 1 11/16 | 1.487" | 1.693" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K563 | 0000 | 0000 |
| 129 | 1 9/16 | 1 3/4 | 1.549" | 1.755" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K564 | 0000 | 0000 |
| 130 | 1 5/8 | 1 13/16 | 1.612" | 1.818" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K565 | 0000 | 0000 |
| 131 | 1 11/16 | 1 7/8 | 1.674" | 1.88" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K566 | 0000 | 0000 |
| 132 | 1 3/4 | 1 15/16 | 1.737" | 1.943" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K567 | 0000 | 0000 |
| 133 | 1 13/16 | 2 | 1.799" | 2.005" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K568 | 0000 | 0000 |
| 134 | 1 7/8 | 2 1/16 | 1.862" | 2.068" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K569 | 0000 | 0000 |
| 135 | 1 15/16 | 2 1/8 | 1.925" | 2.131" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K571 | 0000 | 0000 |
| 136 | 2 | 2 3/16 | 1.987" | 2.193" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K572 | 0000 | 0000 |
| 140 | 2 1/4 | 2 7/16 | 2.237" | 2.443" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K573 | 0000 | 0000 |
| 143 | 2 7/16 | 2 5/8 | 2.425" | 2.631" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K574 | 0000 | 0000 |
| 144 | 2 1/2 | 2 11/16 | 2.487" | 2.693" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K575 | 0000 | 0000 |
| 150 | 2 7/8 | 3 1/16 | 2.862" | 3.068" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K576 | 00000 | 00000 |
| 154 | 3 3/4 | 3 15/16 | 3.737" | 3.943" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K578 | 00000 | 00000 |
| 155 | 4 | 4 3/16 | 3.987" | 4.193" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K579 | 00000 | 00000 |
| 156 | 4 1/4 | 4 7/16 | 4.237" | 4.443" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K581 | 00000 | 00000 |
Wd.: 1/8 Fractional (0.139" Actual) | |||||||||||||
| 206 | 1/2 | 3/4 | 0.484" | 0.762" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K582 | 0000 | 0000 |
| 208 | 5/8 | 7/8 | 0.609" | 0.887" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K583 | 0000 | 0000 |
| 210 | 3/4 | 1 | 0.734" | 1.012" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K584 | 0000 | 0000 |
| 211 | 13/16 | 1 1/16 | 0.796" | 1.074" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K585 | 0000 | 0000 |
| 212 | 7/8 | 1 1/8 | 0.859" | 1.137" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K586 | 0000 | 0000 |
| 214 | 1 | 1 1/4 | 0.984" | 1.262" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K587 | 0000 | 0000 |
| 216 | 1 1/8 | 1 3/8 | 1.109" | 1.387" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K588 | 0000 | 0000 |
| 217 | 1 3/16 | 1 7/16 | 1.171" | 1.449" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K589 | 0000 | 0000 |
| 218 | 1 1/4 | 1 1/2 | 1.234" | 1.512" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K591 | 0000 | 0000 |
| 219 | 1 5/16 | 1 9/16 | 1.296" | 1.574" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K592 | 0000 | 0000 |
| 220 | 1 3/8 | 1 5/8 | 1.359" | 1.637" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K593 | 0000 | 0000 |
| 222 | 1 1/2 | 1 3/4 | 1.484" | 1.762" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K594 | 0000 | 0000 |
| 223 | 1 5/8 | 1 7/8 | 1.609" | 1.887" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K595 | 0000 | 0000 |
| 224 | 1 3/4 | 2 | 1.734" | 2.012" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K596 | 0000 | 0000 |
| 225 | 1 7/8 | 2 1/8 | 1.859" | 2.137" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K597 | 0000 | 0000 |
| 228 | 2 1/4 | 2 1/2 | 2.234" | 2.512" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K598 | 0000 | 0000 |
| 231 | 2 5/8 | 2 7/8 | 2.609" | 2.887" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K599 | 0000 | 0000 |
| 232 | 2 3/4 | 3 | 2.734" | 3.012" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K612 | 00000 | 0000 |
| 233 | 2 7/8 | 3 1/8 | 2.859" | 3.137" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K613 | 00000 | 0000 |
| 234 | 3 | 3 1/4 | 2.984" | 3.262" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K614 | 00000 | 00000 |
| 235 | 3 1/8 | 3 3/8 | 3.109" | 3.387" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K615 | 00000 | 00000 |
| 236 | 3 1/4 | 3 1/2 | 3.234" | 3.512" | Durometer 90A (Hard) | 5,000 | SAE AS568 | -65° to 275° | Cream | 1 | 9558K616 | 00000 | 00000 |