AS568-146 O-Ring

Inside diameter 2.612″
Cross-section 0.103″
Outside diameter 2.818″
Metric (ID × CS) 66.34 × 2.62 mm

OD is derived: ID + 2 × CS = 2.612″ + 2 × 0.103″ = 2.818″.

Neighboring sizes (CS 0.103″ series)

Dash ID OD ID mm vs -146
-144 2.487″ 2.693″ 63.17 ID −0.125″
-145 2.550″ 2.756″ 64.77 ID −0.062″
-146 2.612″ 2.818″ 66.34
-147 2.675″ 2.881″ 67.94 ID +0.063″
-148 2.737″ 2.943″ 69.52 ID +0.125″
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.