Does this help?

19157 14 mm M. x 1/4" Male fl.
19156 14 mm M. x 3/8" Male fl.
19161 1/2" Acme M. x 1/4" Fe. fl.
19165 1/2" Acme Fe. x 1/4" Male fl.
19158 1/2" Acme Fe. x 14 mm Male
19162 1/2" Acme M. x 1/4" Fe. fl. Hex
19168 1/2" Acme Fe. x 1/8" Male pipe
19169 1/2" Acme M. x 1/2" Acme SealRight
19163 1/2" Acme SealRight x 1/4" M. fl.
19166 1/2" Acme Fe. x 1/2" Acme Male
40265 1/2" Acme M. x 1/8" NPT Male Half Union
19142 1/2" Acme Union
19153 1/2" Acme Fe. Hex x 13 mm R-134a low side Male for A/C system
I found that list on the
Yellow Jacket site.