9 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 5998-01-535-6790
NSN 5990-00-179-2576
NSN 5998-01-150-8816
NSN 6110-01-505-7908
NSN 2925-01-290-8208
NSN 7035-01-292-2580
NSN 5930-00-116-4348
NSN 5975-01-439-4251
NSN 6135-00-168-3876
NSN 5990-01-120-1910
NSN 6685-01-617-1166
NSN 6650-01-509-6666