2.750 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 6150-00-113-5249
NSN 5895-01-258-4824
NSN 5960-01-531-9108
NSN 6610-01-470-7360
NSN 5895-00-503-0358
NSN 5910-00-248-5725
NSN 6685-01-449-1949
NSN 7035-01-450-2289
NSN 5920-01-468-9182
NSN 6320-01-084-8821
NSN 7035-01-411-6062
NSN 5960-00-392-6291