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 6650-00-234-3275
NSN 6320-01-429-9871
NSN 5998-01-055-6043
NSN 5905-01-310-8505
NSN 6650-00-018-7298
NSN 5950-01-194-1362
NSN 5835-00-601-1402
NSN 6150-01-470-8302
NSN 6650-01-528-7570
NSN 5915-01-335-0187
NSN 6130-01-433-7008
NSN 6645-01-264-4093