Fiberglass layered between steel and aluminum
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 6650-00-866-9947
NSN 5960-01-498-0572
NSN 5950-01-414-7701
NSN 5895-00-042-1519
NSN 6145-00-722-9700
NSN 5950-00-253-7381
NSN 5930-01-424-0771
NSN 5935-01-414-6956
NSN 6135-01-556-7318
NSN 6240-01-187-6536
NSN 5998-01-534-2321
NSN 5999-00-960-8232