0.380 in.Wall thk, 3.700 in.Lg; 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 6105-00-189-0515
NSN 5999-00-421-2966
NSN 6650-00-917-0436
NSN 6650-01-027-1181
NSN 6645-00-230-4396
NSN 5925-01-197-9899
NSN 5910-01-420-5794
NSN 5985-01-424-8630
NSN 5935-00-373-9350
NSN 5930-01-194-9587
NSN 6130-01-293-4650
NSN 6145-00-804-6037