R12
JIS Female Swivel Parallel Pipe w/ Spherical Male Seat, 90º

 

 
part # description thread size nut in bkp in n. drop cutoff mm OAL mm head dash Ø mm dash in ID dash ID mm compatible
2210491 16ESA-16GUO 90 1 - 11 1 1/2 - 65 76.89 123.44 16 - - 16 25.4 ▶ hoses
2210492 20S4G-20GUO 90 1 1/4 - 11 2 - 81 81.38 130.56 20 - - 20 31.75 ▶ hoses