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.
NSN 7035-00-238-3662
NSN 5960-01-357-1261
NSN 5975-01-372-5819
NSN 6620-00-589-0071
NSN 5998-00-763-3017
NSN 5965-01-390-9249
NSN 5935-00-852-1494
NSN 5975-01-310-1352
NSN 5915-01-546-2219
NSN 5915-01-552-1469
NSN 5935-00-114-1847
NSN 6110-00-014-8160