Unitized b ration, lunch/dinner menu, day 4, 50 person ration (unit), acr-u-04.
No other part numbers with same form, fit, and function found.
NSN 5920-01-114-5439
NSN 5945-01-482-5743
NSN 6685-00-585-7425
NSN 5990-00-932-3070
NSN 6685-00-728-4744
NSN 5960-00-815-6072
NSN 5945-01-362-8841
NSN 6220-00-292-6775
NSN 5999-01-004-1500
NSN 5999-01-437-9043
NSN 6320-01-170-4068
NSN 5960-00-959-5226