Elbow shape, 0.380 in.Thk, 2.000 in.Id;
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 5990-00-181-2220
NSN 6110-01-497-4559
NSN 5960-00-682-3598
NSN 5835-00-126-2961
NSN 5990-01-336-3976
NSN 6145-01-439-8041
NSN 6150-01-294-7376
NSN 5950-01-509-6293
NSN 5999-01-410-7802
NSN 6650-01-173-5651
NSN 4140-01-189-2589
NSN 5996-01-571-7069