Cognizant service: navy;
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 5975-01-476-3105
NSN 6620-00-837-9484
NSN 5905-00-947-3797
NSN 5996-01-523-3142
NSN 6110-01-427-8426
NSN 5998-00-052-4174
NSN 5945-00-615-9218
NSN 5895-01-168-8264
NSN 6610-00-647-3830
NSN 6110-00-469-1217
NSN 5895-00-486-0191
NSN 6110-01-062-7269