0.500 in.Wall thk, 4.500 in.Lg, round with bell shape closure on one end, fiberglass with aluminum covering, 11.000 in.Dia; 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 6650-00-952-4500
NSN 6135-01-093-7426
NSN 5998-01-430-2594
NSN 5930-01-539-1514
NSN 6105-01-487-7484
NSN 6685-00-734-0131
NSN 6150-00-348-9559
NSN 6610-01-622-4326
NSN 5996-00-765-1401
NSN 7035-01-166-2473
NSN 5985-01-142-0128
NSN 5855-01-593-2549