8.380 in. O/a lg, 5.830 in. O/a w, 2.460 in. O/a od
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 5975-01-386-2875
NSN 5950-01-123-8992
NSN 5996-01-274-1025
NSN 6150-00-281-3447
NSN 6240-01-476-7357
NSN 5895-01-485-7297
NSN 6110-01-100-7638
NSN 5925-01-521-3915
NSN 5915-00-525-5753
NSN 6620-00-972-5899
NSN 5960-00-244-1642
NSN 5945-00-045-9655