10.25 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 6650-01-617-2513
NSN 5975-01-406-5337
NSN 6620-01-451-3742
NSN 5990-00-797-2592
NSN 5999-00-937-6974
NSN 5930-01-550-0275
NSN 4140-01-574-3955
NSN 5945-01-322-5561
NSN 5960-01-231-6502
NSN 6130-01-575-5865
NSN 5915-00-952-1761
NSN 5905-00-833-1524