MIL-H-52601 Complete Document History
Heater, Space, 400,000 Btu per Hour, Duct Type (Use MIL-H-4607)


Obsolete Revision Information:
   NOT - HEATER, SPACE, 400,000 BTU PER - Aug. 6, 1970
   BASE - HEATER, SPACE, 400,000 BTU PER - Feb. 6, 1968