There is gusset.
A ridge item, usually of flat material, formed into a dihedral angle (generally a right angle) which may be reinforced; it is designed to position, align, or support an item(s) in relation to another. Excludes brace (as modified); bracket (1), mounting; and bracket, shelf.
Classification: Hat-racks, hat pegs, brackets and similar fixtures, and parts thereof, of base metal
NSN 5835-01-221-8811
NSN 5915-01-425-6344
NSN 6145-01-540-3558
NSN 5960-01-531-9108
NSN 5965-01-138-4979
NSN 5950-01-100-5649
NSN 6220-00-670-7692
NSN 5910-01-156-9037
NSN 6130-01-185-7756
NSN 7035-01-645-9018
NSN 5855-01-121-8862
NSN 6685-00-372-4670