AS568-433 O-Ring

Inside diameter 5.475″
Cross-section 0.275″
Outside diameter 6.025″
Metric (ID × CS) 139.06 × 6.99 mm

OD is derived: ID + 2 × CS = 5.475″ + 2 × 0.275″ = 6.025″.

Neighboring sizes (CS 0.275″ series)

Dash ID OD ID mm vs -433
-431 5.225″ 5.775″ 132.71 ID −0.250″
-432 5.350″ 5.900″ 135.89 ID −0.125″
-433 5.475″ 6.025″ 139.06
-434 5.600″ 6.150″ 142.24 ID +0.125″
-435 5.725″ 6.275″ 145.41 ID +0.250″

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.