No. 13 in detailed image drawing.
Connects M-8823113 3 inch tank valve to M-8800799 quick connect
replaces GEA Westfalia Surge 7750-0105-249
Replacement o-ring part number M-8801962
Made in USA by Paul Mueller Co
Related Items;
M-8800799 Old Style Quick Connect
M-8801962 O-ring
M-8800742 Adapter connects to Mueller M-8823113 -3 inch milk tank valve (this item)
M-8800743 Adapter connects to Mueller M-90601 -2 inch milk tank valve