5.400 in.Lg, 2.750 in.Id, 0.380 in.Typical wall thk, flatted one side to 0.120 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 5985-01-595-8903
NSN 6220-01-483-6752
NSN 6650-00-231-7843
NSN 5935-01-130-4172
NSN 6240-01-567-3911
NSN 6135-01-260-7180
NSN 5985-00-869-1041
NSN 5960-01-430-3911
NSN 5965-01-194-3453
NSN 5920-01-489-7090
NSN 6145-00-132-4800
NSN 6645-00-551-8291