5.180 in. Lg, 2.380 in. O/a dia, with convolutions determined by requirementsz
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 5930-01-025-2774
NSN 5925-00-255-2048
NSN 5835-01-244-8532
NSN 5996-00-406-9935
NSN 5998-00-808-5574
NSN 6620-01-032-3937
NSN 6620-01-091-9697
NSN 6610-01-105-6444
NSN 5835-01-495-0595
NSN 7035-00-360-2008
NSN 6220-01-401-5337
NSN 5998-01-452-8067