These amber incandescent lights have the "double bulls eye" design just like the marker / clearance lights on Airstreams from 1969 and many later models.
Part Number: 1A-S-90A
IN-STOCK
If you are mounting this light in an aluminum casting on an Airstream, you may have to shave the base slightly on the top and bottom to fit some of the castings.
Dimensions (actual): 3-7/8" x 2" and is 1" high at its highest point.
To View / order the amber incandescent light kit, please click onto this link: Amber Incandescent Marker Light Kit
To view / order the amber LED version, please click onto this link: Amber LED Marker Light