2.000 in. Approx lg, 1.810 in. Approx dia
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 6620-01-042-2046
NSN 5835-00-063-0390
NSN 6320-00-242-3300
NSN 5910-01-101-7775
NSN 5925-01-425-2679
NSN 5905-01-449-1291
NSN 5910-00-112-8583
NSN 5910-00-765-6569
NSN 6650-00-221-9425
NSN 6135-01-491-9360
NSN 5910-00-449-1790
NSN 5965-01-558-5380