Table J-2. Torque Limits for Wet Socket Head Capscrews (Continued)
b. Hoses and Fittings.
Most fluid piping system sizes are
measured by dash numbers. These are
universally used abbreviations for the
size of the component expressed at the
numerator of the fraction with the
denominator always being 16. For
example, a -04 port is 4/16 or 1/4 inch.
Dash numbers are usually nominal (in
name only) and are abbreviations that
make ordering of components easier.
Measure the I.D./O.D. with a caliper as
Under the heading MALE THREAD O.D.
and FEMALE THREAD I.D., match the
measurements with the row in the table