AS568-003 O-Ring

Inside diameter 0.056″
Cross-section 0.060″
Outside diameter 0.176″
Metric (ID × CS) 1.42 × 1.52 mm

OD is derived: ID + 2 × CS = 0.056″ + 2 × 0.060″ = 0.176″.

Neighboring sizes (CS 0.060″ series)

Dash ID OD ID mm vs -003
-003 0.056″ 0.176″ 1.42
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.