Altered or selected item
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 6645-00-434-8793
NSN 6110-01-012-3534
NSN 5998-01-478-5945
NSN 5915-01-110-6387
NSN 5930-01-500-1799
NSN 6150-01-149-9206
NSN 7035-01-019-3951
NSN 5855-01-096-0872
NSN 6610-01-364-0294
NSN 5915-01-087-0314
NSN 5930-00-408-8789
NSN 6150-01-400-4211