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 5905-01-588-0610
NSN 5996-00-899-0486
NSN 5935-00-362-3873
NSN 5960-01-013-9346
NSN 5999-01-429-6307
NSN 6110-01-553-8608
NSN 5998-01-593-0781
NSN 5935-01-394-8445
NSN 5905-01-546-1723
NSN 5945-01-187-9245
NSN 5965-01-158-4187
NSN 6130-00-013-2131