4.500 in.Lg, 1/2 shell for 2.000 in.Dia tube, tg 6000 insulation, 0.250 in.Thk, al foil cover;
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 6105-01-112-7045
NSN 6150-00-666-3635
NSN 5996-01-542-9499
NSN 6145-01-641-4460
NSN 5945-01-643-6030
NSN 5930-01-069-2031
NSN 6320-01-395-9148
NSN 5925-01-053-1449
NSN 5910-01-624-3583
NSN 5835-01-368-4015
NSN 5895-00-357-0795
NSN 6110-01-157-9341