6 inches long
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 6645-00-940-0774
NSN 5965-01-220-0529
NSN 5910-01-188-1686
NSN 6130-01-138-5229
NSN 5945-01-539-8735
NSN 5998-00-455-0915
NSN 6645-01-432-1068
NSN 6685-01-490-5290
NSN 6145-01-262-0069
NSN 5905-01-197-5921
NSN 5990-01-583-2870
NSN 5960-01-142-1995