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 6150-00-093-5783
NSN 5915-01-412-5984
NSN 6650-01-422-1037
NSN 6620-01-580-0883
NSN 6150-00-251-3054
NSN 5965-01-210-7784
NSN 4140-00-053-9499
NSN 5935-01-528-8514
NSN 6240-01-248-4789
NSN 5925-00-976-4883
NSN 6220-00-191-4887
NSN 6610-01-167-0845