AS568-001 O-Ring

Inside diameter 0.029″

Cross-section 0.040″

Outside diameter 0.109″

Metric (ID × CS) 0.74 × 1.02 mm

OD is derived: ID + 2 × CS = 0.029″ + 2 × 0.040″ = 0.109″.

Neighboring sizes (CS 0.040″ series)

Dash	ID	OD	ID mm	vs -001
-001	0.029″	0.109″	0.74	—

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.