19.710 in.Lg, 3.000 in.Id, 0.380 in.Thk;
An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. it is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. it may completely or partially encase the item for which designed. it may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes insulation blanket, thermal, aircraft; insulation pipe fitting covering, thermal; and insulation sleeving, thermal.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5915-01-426-8862
NSN 5930-01-489-0954
NSN 6135-01-274-3546
NSN 6135-01-265-1384
NSN 6105-01-198-7740
NSN 5855-01-112-7725
NSN 4140-01-437-8715
NSN 6220-00-528-7752
NSN 5950-00-272-9398
NSN 5915-00-124-1592
NSN 2925-01-442-4171
NSN 5965-01-149-8000