B-1b aircraft; 4.000 in. Id by 0.500 in. Wall thk by 24.000 in. Lg
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 5999-01-633-4910
NSN 6130-01-400-6123
NSN 6685-00-722-7210
NSN 6110-01-017-8025
NSN 6610-01-627-8985
NSN 5965-01-473-0825
NSN 5925-01-319-0410
NSN 6105-01-518-9346
NSN 5975-01-032-4295
NSN 6610-00-998-3134
NSN 6650-01-485-3444
NSN 6105-01-424-8861