From a parts lot I purchased. Should fit years and models listed below according to the part number. Please look over pictures closely for condition.  Thanks for looking. 

Related Fitment
This Honda 50356-323-010B BRACKET, RR. ENGINE HANGER *NH1* (BLACK) fits the following models and components:

Honda Motorcycle Models with no year CB500K1 A Frame

Honda Motorcycle Models with no year CB500K2 A Frame

Honda Motorcycle Models with no year CB500 A Frame