VEVOR NEMA Metal Case, 8x8x6'' NEMA 4X Metal Electric Enclosure, IP66 Water & Dust Resistant, Suitable for Both Outdoor & Indoor Electrical Connections

Yes

The only problem I could forsee would be a clearance issue for the door hinges.

It is not designed for flush mounting but you could use angle stock screwed to the sides to create a mounting flange but the lid would stick out about an inch. However, It may not meet code if that matters to you.