AS568-267 O-Ring

Inside diameter 8.234″
Cross-section 0.139″
Outside diameter 8.512″
Metric (ID × CS) 209.14 × 3.53 mm

OD is derived: ID + 2 × CS = 8.234″ + 2 × 0.139″ = 8.512″.

Neighboring sizes (CS 0.139″ series)

Dash ID OD ID mm vs -267
-265 7.734″ 8.012″ 196.44 ID −0.500″
-266 7.984″ 8.262″ 202.79 ID −0.250″
-267 8.234″ 8.512″ 209.14
-268 8.484″ 8.762″ 215.49 ID +0.250″
-269 8.734″ 9.012″ 221.84 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.