AS568-222 O-Ring

Inside diameter 1.484″
Cross-section 0.139″
Outside diameter 1.762″
Metric (ID × CS) 37.69 × 3.53 mm

OD is derived: ID + 2 × CS = 1.484″ + 2 × 0.139″ = 1.762″.

Neighboring sizes (CS 0.139″ series)

Dash ID OD ID mm vs -222
-220 1.359″ 1.637″ 34.52 ID −0.125″
-221 1.421″ 1.699″ 36.09 ID −0.063″
-222 1.484″ 1.762″ 37.69
-223 1.609″ 1.887″ 40.87 ID +0.125″
-224 1.734″ 2.012″ 44.04 ID +0.250″
Data provenance. SAE AS568, Aerospace Size Standard for O-rings (SAE International). Nominal dimensions per AS568; size tolerances vary by dash number and are not yet cataloged. Groove/gland design depends on the application — consult a gland design reference. See all data sources.