MIL-F-19004A, MILITARY SPECIFICATION: FANS, CENTRIFUGAL, VENTILATION, NAVAL SHIPBOARD (18 APR 1983)

MIL-F-19004A, MILITARY SPECIFICATION: FANS, CENTRIFUGAL, VENTILATION, NAVAL SHIPBOARD (18 APR 1983)., [S/S BY MIL-PRF-19004B]., This specification covers centrifugal fans for use in Naval shipboard heating, ventilating, and air conditioning systems.