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 5975-01-435-4279
NSN 6135-01-084-1609
NSN 6110-01-381-1269
NSN 5910-00-318-8766
NSN 5835-00-140-8646
NSN 5915-01-196-6016
NSN 6135-00-968-8594
NSN 6135-01-421-1052
NSN 6650-01-030-5545
NSN 6650-00-276-9838
NSN 5975-01-292-0032
NSN 6110-00-918-4738