4140-99-201-4906

Ventilating Fan

4140992014906 992014906

Cancelled - Replaced by NSN 4140-12-175-6733

A nonpositive displacement mechanical device having either an axial or centrifugal fan impeller. It is designed to move free air or gas from indoors to outdoors or vice versa over a wide range of volumes at low pressures. It is supported by a ring, plate, or shroud or may be inclosed in a housing. It is designed for installation in a window, roof or wall opening, or the like. View more Ventilating Fan