O-Rings l General Information l Backup rings for O-Rings l O-Ring Cords l Encapsulated O-Rings l O-Ring Kits l Amedican Standard (AS-568 Series)      Swedish / Japanese Std. (P & G Series)  Tolerances Part List O-Ring Recessing Arrangement   Tolerances Part List O-Ring Recessing Arrangement   American Standard Tolerance (AS-568 Series) : - Nom. diam. Tolerance for D D       2.90 -   18.77     20.35 -   34.65       9.13 -   18.72     20.24 -   37.77     39.34 -   64.77     71.12     18.64 -   37.69     39.69 -   65.09     66.68 - 126.59   132.94 - 177.39   183.74 - 253.59     37.47 -   66.04     69.22 - 123.80   127.00 - 149.20     113.7 - 126.40     129.5 - 177.20     181.0 - 393.10 ± 0.13 ± 0.15 ± 0.13 ± 0.15 ± 0.25 ± 0.38 ± 0.15 ± 0.25 ± 0.38 ± 0.58 ± 0.76 ± 0.25 ± 0.38 ± 0.58 ± 0.38 ± 0.58 ± 0.76 Cross-Section Tolerance Value 1.78 +/- 0.08 mm. 2.62 +/- 0.08 mm. 3.53 +/- 0.10 mm. 5.34 +/- 0.13 mm. 6.99 +/- 0.15 mm. Top About Us | Seal Products | Design Help | Seal Guru | Seal Failure Causes | Glossary | Seal Express | O-Ring Quote | Contact Us | O-Ring Basics | Elastomer Properties | Elastomer Storage | Chemical Compatibility | Profile Chart | Oil Seal | O-Rings | Pneumatic & Hydraulic Seals | Shaft Seal | Engineering Plastic | Protector & Cap | V-Packing | Packer Elements | PTFE Seal | PTFE Joint Seal | Bonded Seal | Valve Seats | PPS Seals | HNBR Seal | NBR Seal | EPDM Sea| FKM Seal | PEEK Seal | Gas Lifts | API Seal Rings | Casing O-Rings | Gas Lift Valve Seals | PU Seals | MQ Seals | Seals for Premium Connections | Link Us |