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 6240-01-162-9086
NSN 5910-00-008-7069
NSN 5950-01-595-4071
NSN 5960-01-617-6345
NSN 5935-01-398-7726
NSN 5925-01-494-9067
NSN 5910-01-390-2670
NSN 6110-01-633-9660
NSN 6650-00-170-5095
NSN 6620-01-352-5640
NSN 5998-00-633-5169
NSN 5998-01-060-1578