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 6220-01-161-6439
NSN 6610-01-192-2467
NSN 5990-01-364-0813
NSN 6135-01-195-5343
NSN 5985-01-084-5789
NSN 6110-01-247-1780
NSN 6135-01-022-5427
NSN 6240-00-509-2485
NSN 5895-01-246-4250
NSN 4140-01-641-2208
NSN 5915-00-033-3926
NSN 6220-00-781-0451