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 5945-01-547-9657
NSN 5925-01-222-1636
NSN 5998-00-920-5685
NSN 6320-01-585-8468
NSN 5905-01-510-9397
NSN 5998-00-973-8785
NSN 5915-01-534-7614
NSN 6110-00-188-9874
NSN 5960-01-374-3527
NSN 5905-01-630-5859
NSN 5910-00-144-4383
NSN 6145-01-081-5106