AS568-384 O-Ring

Inside diameter 14.975″
Cross-section 0.210″
Outside diameter 15.395″
Metric (ID × CS) 380.36 × 5.33 mm

OD is derived: ID + 2 × CS = 14.975″ + 2 × 0.210″ = 15.395″.

Neighboring sizes (CS 0.210″ series)

Dash ID OD ID mm vs -384
-382 12.975″ 13.395″ 329.56 ID −2.000″
-383 13.975″ 14.395″ 354.96 ID −1.000″
-384 14.975″ 15.395″ 380.36
-385 15.955″ 16.375″ 405.26 ID +0.980″
-386 16.955″ 17.375″ 430.66 ID +1.980″

Same ID, other cross-sections

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.