Special Features:

Consists of duct assembly, shaft, handle, valve, bearing and miscellaneous hardware

Properties:

A hollow body used to transport air to various parts of the aircraft for the purpose of heating, cooling, pressurizing, de-icing, and the like. It may include flange(s), bracket(s), and the like for mounting purposes. Excludes pipes used in aircraft exhaust systems and pipes used in non-aircraft applications. Excludes pipe, exhaust and pipe, air conditioning-heating.