SAE J1453 O-Ring Face Seal (ORFS)
SAE J1453 O-Ring Face Seal (ORFS)
This connection is designed for leak-free use to 6000 PSI. The o-ring in the face of the straight thread male end seals against the flat face female seat and is mechanically held in place by a swivel nut.
Guide on how to properly measure threads.
Download our O-Ring Face Seal thread profiles for a printable, actual O-Ring Face Seal size profiles. You will need to have Adobe Reader to view and print the file.
This connection is designed for leak-free use to 6000 PSI. The o-ring in the face of the straight thread male end seals against the flat face female seat and is mechanically held in place by a swivel nut.
Guide on how to properly measure threads.
Download our O-Ring Face Seal thread profiles for a printable, actual O-Ring Face Seal size profiles. You will need to have Adobe Reader to view and print the file.
| SAE J1453 O-Ring Face Seal (ORFS) | ||||||
| Dash Size |
Inch Size |
Thread | Male Thread O.D. mm |
Male Thread O.D. inches |
Female Thread I.D. mm |
Female Thread I.D. inches |
| 4 | 1/4 | 9/16-18 | 14.2 | .56 | 12.9 | .51 |
| 6 | 3/8 | 11/16-16 | 17.3 | .68 | 16.0 | .63 |
| 8 | 1/2 | 13/16-16 | 20.6 | .81 | 19.0 | .75 |
| 10 | 5/8 | 1-14 | 25.4 | 1.00 | 23.6 | .93 |
| 12 | 3/4 | 1-3/16-12 | 30.0 | 1.18 | 27.8 | 1.10 |
| 16 | 1 | 1-7/16-12 | 36.6 | 1.44 | 34.5 | 1.36 |
| 20 | 1-1/4 | 1-11/16-12 | 42.7 | 1.68 | 40.6 | 1.60 |
| 24 | 1-1/2 | 2 -12 | 50.8 | 2.00 | 48.8 | 1.92 |
