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SAE J1453 O-Ring Face Seal

SAE J1453 O-Ring Face Seal (OFS)

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.

Click here for a guide on how to properly measure threads.

Click here for a printable, actual size O-Ring Face Seal fitting profiles. You will need to have Adobe Reader to view and print the file.


SAE J1453 O-Ring Face Seal (OFS)
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 13/16-12 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

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