AS568-169 O-Ring

Inside diameter 7.487″
Cross-section 0.103″
Outside diameter 7.693″
Metric (ID × CS) 190.17 × 2.62 mm

OD is derived: ID + 2 × CS = 7.487″ + 2 × 0.103″ = 7.693″.

Neighboring sizes (CS 0.103″ series)

Dash ID OD ID mm vs -169
-167 6.987″ 7.193″ 177.47 ID −0.500″
-168 7.237″ 7.443″ 183.82 ID −0.250″
-169 7.487″ 7.693″ 190.17
-170 7.737″ 7.943″ 196.52 ID +0.250″
-171 7.987″ 8.193″ 202.87 ID +0.500″
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.