This is a new old stock vent wing regulator for Chrysler, Dodge and Plymouth automobiles built between 1965 and 1968.  The Chrysler part number for this item is 2486802.  This part is correct for the following models:

Dodge; Polara, Monaco

Chrysler; Town and Country, 300 and New Yorker

Plymouth: Fury I, II, II, Sport and VIP