Search our 2,700+ Standard+ Special Size O-Ring Tooling List.
New Sizes are added regularly.
Click here to view our O-Ring Brochure.
New Sizes are added regularly.
Click here to view our O-Ring Brochure.
                    Unit of Measure
                    
               
        
            | C/S (inches) | N/A 0.210 | 
| C/S Tolerance (±) | N/A 0.005 | 
| I.D. (inches) | N/A 24.940 | 
| I.D. Tolerance (±) | N/A 0.115 | 
| O.D. (REF) (inches) | N/A 25.360 | 
| Nominal C/S (inches) | N/A 3/16 | 
| Nominal I.D. (inches) | N/A 25 | 
| Nominal O.D. (inches) | N/A 25 3/8 | 
| Metric C/S (mm) | N/A 5.3 | 
| Metric I.D. (mm) | N/A 633.5 | 
| Metric O.D. (mm) | N/A 644.1 | 
 
      
          