3.510 in. Approx lg, 1.760 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 5950-00-246-2807
NSN 5895-00-979-5395
NSN 5985-00-845-6807
NSN 5975-01-117-9560
NSN 5998-00-457-9471
NSN 5975-01-416-9385
NSN 6240-01-407-8408
NSN 5935-00-573-8776
NSN 5990-00-382-5885
NSN 6110-00-243-9210
NSN 5965-00-125-1318
NSN 5996-01-642-9154