2.750 in approx lg; 1.810 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 6110-00-293-6816
NSN 7035-00-541-8516
NSN 5895-01-487-3123
NSN 5985-00-079-0598
NSN 5990-01-254-3197
NSN 5990-00-834-5393
NSN 5835-01-100-3265
NSN 6240-00-398-0740
NSN 6240-01-045-5425
NSN 6150-00-913-4917
NSN 5965-01-128-3234
NSN 6130-00-372-4322