Posted for "genemartin" <genemartin@enid.com>:

Guess I should have read your whole post. Precision lists several restricted
fittings for metered press.off of flow dividers but no description as to
size...I will check with them Tues.
Gene Martin

"""
I am looking for a steel nipple that has the tiny hole.
...snip...
Anyway, the engine side would be a 1/8 npt and the flared end could be a -2
or a -3. Any help with a part number on this sneaky little gem would be
greatly appreciated.
"""