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 6135-01-022-5427
NSN 2925-01-459-8093
NSN 6150-01-361-4808
NSN 5835-00-373-2671
NSN 6130-01-639-8149
NSN 5999-00-932-2509
NSN 6220-01-446-6430
NSN 6130-01-037-4011
NSN 6685-01-573-5473
NSN 5996-01-532-7467
NSN 7035-01-021-7956
NSN 5920-01-249-7616