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 5855-00-110-9341
NSN 5965-01-078-1312
NSN 6240-01-510-9299
NSN 5960-01-111-3959
NSN 6620-01-346-9340
NSN 6320-00-116-3658
NSN 5855-01-502-2789
NSN 5990-00-988-0897
NSN 5985-01-245-1512
NSN 6240-01-251-2462
NSN 7035-01-062-0184
NSN 5998-01-235-3502