I noticed the same thing you did. Here are the parts I purchased...
Quick Disconnect - Gas - MFL end (QD-G-MFL - 07C07115ih) $4.75
Nylon Flare Fitting Washers (Nylon Flare Washers) Flare Fitting Washers 04E04291ih $0.96
Flare Male Swivel Nut Branch "T" (Flare Branch T) SS MFL x MFL x Swivel SSBrnchT - 04C03261ih $6.99
Adapter - Cornelius Keg Posts 1/4"FFL x 19/32"-18 (Plug Adaptor - 04C03317ih) $8.49
Cornelius & AEB - Spartan - Super Champion. Gas IN (TankPlug-CorneliusGAS-15C07115ih) $9.15
Quick Disconnect - Gas - MFL end (QD-G-MFL - 07C07115ih) $4.75
Nylon Flare Fitting Washers (Nylon Flare Washers) Flare Fitting Washers 04E04291ih $0.96
Flare Male Swivel Nut Branch "T" (Flare Branch T) SS MFL x MFL x Swivel SSBrnchT - 04C03261ih $6.99
Adapter - Cornelius Keg Posts 1/4"FFL x 19/32"-18 (Plug Adaptor - 04C03317ih) $8.49
Cornelius & AEB - Spartan - Super Champion. Gas IN (TankPlug-CorneliusGAS-15C07115ih) $9.15