3020-00-904-7385

4140-17-122-4765 4140171224765 171224765 is a nonpositive displacement mechanical device without guide vanes and having an axial fan impeller inclosed within a tubular housing. it is designed primarily for duct installation to move air or gas axially over a wide range of volumes at medium pressures.

5975-17-122-4768 5975171224768 171224768 is an enclosure of other than cast metal designed to house, mount, and protect, but does not include wiring connections or electrical device(s) such as terminals and/or terminal boards, switches, jacks, fuseholders, connectors, circuit breakers and the like. it is designed for and may include a cover and such accessories as mounting hardware, brackets, locks, clamps, mounts and conduit fittings. excludes conduit outlet; and chamber, cable terminal. for boxes which include electrical device(s) such as terminals and/or terminal boards, switches, fuseholders, jacks, connectors, circuit breakers and the like, or combinations thereof, see switch box; fuze box; jack box; terminal box; circuit breaker box; and distribution box. for boxes wired to provide the interconnecting facilities for a specific major group of electronic items outside of the box, see interconnecting box. see also interconnecting cabinet.

4140-17-122-4769 4140171224769 171224769 is an item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. it is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.

4140-17-123-1905 4140171231905 171231905 VENTILATOR

6105-17-122-4766 6105171224766 171224766 is a motor which is designed for operation from an alternating current source. see also motor, control.