AS568-016 O-Ring

Inside diameter 0.614″
Cross-section 0.070″
Outside diameter 0.754″
Metric (ID × CS) 15.60 × 1.78 mm

OD is derived: ID + 2 × CS = 0.614″ + 2 × 0.070″ = 0.754″.

Neighboring sizes (CS 0.070″ series)

Dash ID OD ID mm vs -016
-014 0.489″ 0.629″ 12.42 ID −0.125″
-015 0.551″ 0.691″ 14.00 ID −0.063″
-016 0.614″ 0.754″ 15.60
-017 0.676″ 0.816″ 17.17 ID +0.062″
-018 0.739″ 0.879″ 18.77 ID +0.125″
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.