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 5930-00-314-3529
NSN 5975-01-124-2406
NSN 4140-01-424-5216
NSN 5920-01-634-0250
NSN 5950-00-149-0668
NSN 5910-00-435-2837
NSN 4140-01-103-8985
NSN 5920-01-193-5963
NSN 6320-00-238-9973
NSN 5855-00-256-5562
NSN 5855-00-688-9954
NSN 6645-01-014-0793