3.625 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 5965-01-440-8257
NSN 6240-01-536-7662
NSN 5965-01-468-6186
NSN 6610-00-454-6635
NSN 5925-00-833-8291
NSN 6645-01-297-3368
NSN 7035-00-631-3782
NSN 4140-01-279-7609
NSN 7035-01-381-6185
NSN 6320-01-227-2648
NSN 6135-00-369-2368
NSN 5998-01-586-3145