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 6150-01-137-4309
NSN 5855-00-403-1031
NSN 5935-01-247-5988
NSN 5999-00-011-4916
NSN 6685-01-365-1408
NSN 6620-01-462-5196
NSN 6240-01-333-5455
NSN 5985-00-539-2071
NSN 6645-00-833-2395
NSN 6110-01-573-5929
NSN 5915-01-641-4000
NSN 6650-01-216-2707