9905-14-365-1712

4720-41-000-4030 4720410004030 410004030 is a flexible, tubular item having a nonmetallic tube inner conveying surface and one or more reinforcement layers of a metallic or nonmetallic material. it is designed to convey gasses, liquids, or solids. for items with fittings on one or both ends, see hose assembly, nonmetallic. excludes hose, air duct; and hose air duct, air breathing.

4820-14-473-5771 4820144735771 144735771 is a valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. it is designed for use with compressed gas(es) and various liquids and may include gauges. it may be inline or cartridge (manifold) design. excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

4720-41-116-9807 4720411169807 411169807 is a length of nonmetallic hose with fittings on one or both ends. for items without fittings, see hose, nonmetallic. excludes hose assembly, air duct; and hose assembly, air duct, air breathing.

4140-12-393-0640 4140123930640 123930640 is 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.