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 5930-01-194-4477
NSN 6240-00-204-9355
NSN 6685-01-558-5121
NSN 6130-00-659-8106
NSN 6220-01-608-4369
NSN 7035-01-532-6775
NSN 6610-01-644-2546
NSN 5855-01-361-1362
NSN 7035-00-104-7613
NSN 6145-01-210-7992
NSN 6135-00-542-6728
NSN 5935-01-325-7308