14 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 5925-01-545-2979
NSN 5935-01-514-7447
NSN 5910-00-411-8596
NSN 6135-00-351-8606
NSN 5855-00-631-4565
NSN 5965-01-467-5471
NSN 5999-01-479-3919
NSN 5930-01-082-6668
NSN 5895-00-186-8572
NSN 6110-01-027-1501
NSN 6645-01-162-4509
NSN 6240-00-553-8891