Cam-Action Lockable Door Latch Kit for Large Enclosed Trailers – Zinc-Plat|56862
Flip the handle keeper on the hasp latch up and lift the handle to release. It does not sound like what you are looking for though. The Cam-Action Lockable Door Latch Kit w/ Wide Hasp # PLR258-002 may be an option, as could side door lock # PLR3057.
Cam-Action Lockable Door Latch Kit for Large Enclosed Trailers – Zinc-Plat|56878
Flip the handle keeper on the hasp latch up and lift the handle to release. There is no drawing I can send though. Only the manufacturer would have that kind of thing and they generally do not share those with the general public.
Cam-Action Lockable Door Latch w/ Split Bushings for Large Enclosed Traile|56879
Flip the handle keeper on the hasp up and lift the handle. The Cam-Action Lockable Door Latch # PLR658-SSP can be used on either the left or right hand sides. Split bushings in brackets prevent wear on moving parts.