Fiberglass layered between steel and aluminum
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 5935-00-987-9212
NSN 6620-01-622-4980
NSN 6105-01-494-3848
NSN 5945-01-436-5488
NSN 5905-00-353-1659
NSN 5945-01-545-0933
NSN 5950-00-729-4088
NSN 6130-01-485-3575
NSN 6650-00-702-3560
NSN 5975-00-484-2223
NSN 6320-00-466-0371
NSN 6650-00-953-7606