6 inches long
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 6650-00-854-0265
NSN 6650-00-977-7533
NSN 5855-01-560-4811
NSN 5990-01-577-2120
NSN 4140-01-308-1964
NSN 6320-01-145-9013
NSN 5945-01-216-8455
NSN 5975-00-222-4109
NSN 6240-00-008-5263
NSN 5998-01-555-8124
NSN 5915-01-620-8797
NSN 6620-00-764-9570