AS568-232 O-Ring

Inside diameter 2.734″
Cross-section 0.139″
Outside diameter 3.012″
Metric (ID × CS) 69.44 × 3.53 mm

OD is derived: ID + 2 × CS = 2.734″ + 2 × 0.139″ = 3.012″.

Neighboring sizes (CS 0.139″ series)

Dash ID OD ID mm vs -232
-230 2.484″ 2.762″ 63.09 ID −0.250″
-231 2.609″ 2.887″ 66.27 ID −0.125″
-232 2.734″ 3.012″ 69.44
-233 2.859″ 3.137″ 72.62 ID +0.125″
-234 2.984″ 3.262″ 75.79 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.