19.520 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 6150-01-201-6923
NSN 6145-01-324-0087
NSN 5835-01-068-4214
NSN 6110-00-429-4777
NSN 5990-01-482-5950
NSN 5965-01-519-8228
NSN 6320-01-341-9126
NSN 6610-00-121-4683
NSN 5999-01-306-5190
NSN 5895-01-296-5965
NSN 4140-00-064-7847
NSN 6650-01-317-0015