AS568-050 O-Ring

Inside diameter 5.239″
Cross-section 0.070″
Outside diameter 5.379″
Metric (ID × CS) 133.07 × 1.78 mm

OD is derived: ID + 2 × CS = 5.239″ + 2 × 0.070″ = 5.379″.

Neighboring sizes (CS 0.070″ series)

Dash ID OD ID mm vs -050
-048 4.739″ 4.879″ 120.37 ID −0.500″
-049 4.989″ 5.129″ 126.72 ID −0.250″
-050 5.239″ 5.379″ 133.07
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.