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 5835-00-409-8355
NSN 6110-00-294-3631
NSN 6220-01-320-2641
NSN 5996-01-006-6346
NSN 6110-01-388-2389
NSN 6645-01-254-0489
NSN 6105-00-971-8295
NSN 5998-00-049-3472
NSN 6150-00-470-4759
NSN 2925-01-594-3583
NSN 5985-00-974-9961
NSN 6620-00-811-7614