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 6130-00-578-0869
NSN 5855-01-175-2465
NSN 5920-01-230-3035
NSN 6320-01-630-7629
NSN 5855-00-688-9954
NSN 5930-01-047-1114
NSN 5925-00-076-0120
NSN 6110-00-271-9928
NSN 5895-01-164-0575
NSN 5998-00-149-1124
NSN 5895-00-244-2744
NSN 5910-01-297-2496