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 5945-00-596-2665
NSN 6685-00-064-2031
NSN 5945-01-275-0277
NSN 6620-01-224-4985
NSN 6135-00-947-0406
NSN 6130-01-516-4745
NSN 6145-00-080-5131
NSN 6685-00-105-4469
NSN 5990-00-251-0965
NSN 6320-01-064-0372
NSN 4140-01-250-0204
NSN 6110-01-098-9864