Part number eco-7m, is in the naval shipboard foodservice equipment catalog for this oven. Star manufacturing changed the p/n only. The oven is the exact item shown in the navy catalog
A deck type oven having one or more baking spaces over 9 inches high.
Classification: Cooking stoves, ranges and ovens except microwave ovens, other than of a kind used for domestic purposes
NSN 6645-01-514-6603
NSN 5935-01-165-9216
NSN 5895-00-087-7088
NSN 6620-01-578-7561
NSN 5965-00-812-9158
NSN 5895-01-459-2441
NSN 5950-01-274-9211
NSN 5960-01-360-4107
NSN 6220-01-049-8835
NSN 6650-01-415-5573
NSN 5835-01-642-4705
NSN 5975-01-545-2986