14 inches long
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 5975-01-262-1948
NSN 4140-01-608-3992
NSN 7035-01-073-9424
NSN 5905-01-025-6949
NSN 6610-01-037-0410
NSN 6240-00-063-4359
NSN 5996-00-272-2560
NSN 5990-01-175-2597
NSN 6110-01-505-2074
NSN 7035-00-007-2739
NSN 5998-01-186-5343
NSN 6105-00-542-7948