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 6240-01-191-5643
NSN 6620-01-327-3011
NSN 5985-01-260-1475
NSN 6610-01-362-8686
NSN 6110-01-114-3200
NSN 5985-00-633-9963
NSN 6610-00-681-0590
NSN 6150-01-602-6353
NSN 6150-00-539-9812
NSN 5910-01-424-9952
NSN 6240-01-352-0882
NSN 6105-01-254-2662