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 4140-01-399-0330
NSN 6220-01-625-6475
NSN 5975-01-510-3251
NSN 5935-00-595-9262
NSN 6240-00-765-8443
NSN 5855-01-010-4921
NSN 6145-00-930-4972
NSN 5920-00-137-1135
NSN 6685-01-068-6514
NSN 6105-01-442-1799
NSN 5910-00-345-8351
NSN 5999-01-514-2097