12 inches olng
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 6150-01-553-0709
NSN 5960-00-421-1054
NSN 5945-01-326-3885
NSN 5960-00-909-7009
NSN 6110-01-364-0322
NSN 5945-00-113-5350
NSN 5935-01-451-4679
NSN 6220-00-458-4633
NSN 5915-00-690-9801
NSN 5930-01-434-5093
NSN 6145-01-257-2876
NSN 5985-01-354-4421