MIL-F-24755 1990 Edition, December 27, 1990
FANS, VANEAXIAL, HIGH PRESSURE, NAVAL SHIPBOARD
The fan-motor units specified herein are intended for ventilation applications on board ships of the United States Navy. The direction of airflow into and out of the fans is axial. The fans are of nonsparking construction. Fans are high efficiency units intended for systems having a resistance of 14.0 inches of water. Their compactness recommends them for general shipboard service, especially when installed horizontally to the overhead.