8.380 in. O/a lg, 5.830 in. O/a w, 2.460 in. O/a od
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 4140-00-555-2579
NSN 5910-01-256-2641
NSN 6130-01-429-9013
NSN 6150-01-642-0513
NSN 5835-00-222-3956
NSN 5975-00-407-6554
NSN 6145-01-028-3812
NSN 6220-00-675-8262
NSN 5945-00-260-4333
NSN 5855-01-020-7982
NSN 5835-01-242-9806
NSN 6645-01-518-1107