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 4140-00-794-2960
NSN 6240-00-412-2307
NSN 5999-01-056-5281
NSN 6220-01-196-8087
NSN 5985-00-988-9743
NSN 6240-00-617-1818
NSN 6150-00-240-8024
NSN 5999-01-054-2954
NSN 5855-01-464-3152
NSN 6240-01-124-1049
NSN 5998-01-228-6779
NSN 5920-01-632-9399