6 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 5895-01-364-9509
NSN 5835-00-173-4456
NSN 4140-01-374-5831
NSN 5996-01-553-7399
NSN 6110-01-181-7080
NSN 5895-00-842-4416
NSN 6685-01-438-5113
NSN 5855-01-119-3316
NSN 6685-00-128-7981
NSN 5930-00-130-2587
NSN 4140-00-235-6377
NSN 5920-00-941-6109