F-104
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 5905-00-289-7407
NSN 6320-00-343-1798
NSN 4140-00-954-4695
NSN 5998-00-340-3727
NSN 5985-01-526-0165
NSN 6620-00-477-0654
NSN 5905-01-516-8932
NSN 5835-01-658-8290
NSN 5998-01-433-3744
NSN 6150-01-304-5678
NSN 6130-01-578-6832
NSN 6150-00-009-4226