2.620 in.Id, 3.000 in.Lg, 0.380 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 5945-01-543-7468
NSN 6620-00-273-8735
NSN 5915-01-052-1256
NSN 5905-01-155-7338
NSN 6145-00-141-8095
NSN 6240-01-273-0193
NSN 6650-00-067-3572
NSN 5925-00-223-9552
NSN 7035-01-003-9142
NSN 6645-01-363-5944
NSN 6320-01-386-3491
NSN 6105-00-523-9868