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 6320-01-512-2031
NSN 5905-01-043-3416
NSN 5855-01-618-6370
NSN 5915-01-476-8841
NSN 5905-00-960-7530
NSN 6220-00-769-7858
NSN 5910-00-982-4902
NSN 5985-00-419-0342
NSN 5920-00-456-5211
NSN 5910-01-037-8923
NSN 6320-00-593-0379
NSN 6645-01-383-6514