2.620 in.Id, 3.000 in.Lg, 0.380 in.Wall thk; heating system, acft;
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 5999-00-900-0992
NSN 5990-01-339-5118
NSN 5910-01-642-6115
NSN 6110-00-099-7113
NSN 6240-01-039-2125
NSN 6320-01-371-3047
NSN 5945-01-367-5973
NSN 5996-01-577-6509
NSN 6105-00-104-4395
NSN 5990-01-631-5537
NSN 6110-01-322-8585
NSN 5965-01-605-3878