AS568-002 O-Ring

Inside diameter 0.042″

Cross-section 0.050″

Outside diameter 0.142″

Metric (ID × CS) 1.07 × 1.27 mm

OD is derived: ID + 2 × CS = 0.042″ + 2 × 0.050″ = 0.142″.

Neighboring sizes (CS 0.050″ series)

Dash	ID	OD	ID mm	vs -002
-002	0.042″	0.142″	1.07	—

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.