willysmjeeps.com

I found this on eBay, it is not mine nor am I affiliated with the seller... I just know how hard it is to find these... You need to verify the part number with the seller to be sure it will fit your trailer... I expect this to go for a good penny...

http://cgi.ebay.com/MILITARY-TRAILER-M1 ... dZViewItem

Hope this helps someone...