Someone told me where to get these a while back, but I've lost the post. Any help out there? ^.^d
This looks like it would work.
Redline DH604 Nylon Socket and Metal Plunger - 1-1/2 Inch Stem | Hanna... (http://www.hannarv.com/P/24676/DoorHolderDHNylonSocketAndMetalPlungerinch)
I would think almost any RV Supply would have them. Pretty common.
see ya
ken
I got mine on Amazon
Amazon.com: JR Products 10635 Pivoting Door Holder Receiver: Automotive (https://www.amazon.com/gp/product/B004LF3L8S/ref=oh_aui_search_detailpage?ie=UTF8&psc=1)