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 5950-01-477-8869
NSN 5835-01-632-6627
NSN 6610-01-492-6515
NSN 5935-01-373-9429
NSN 6130-00-266-7496
NSN 5985-01-425-8061
NSN 2925-01-259-0785
NSN 5925-01-391-9019
NSN 5895-01-265-7236
NSN 5895-01-525-0003
NSN 6220-00-076-0428
NSN 6645-00-012-5834