This specification covers established manufacturing tolerances applicable to titanium and titanium alloy tubing. These tolerances apply to all conditions, unless otherwise noted. The term "excl" is used to apply only to the higher figure of the specified range.

Tubing shall be specified in either inch/pound units or SI units. When inch/pound units are used, the tolerances shown for SI units are not applicable. When SI units are used, the tolerances for inch/pound units are not applicable.