1.000 in.Id, 0.380 in.Thk;
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.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5990-01-044-4086
NSN 6685-01-634-0611
NSN 5996-01-477-6709
NSN 6150-01-301-5885
NSN 5945-01-424-5210
NSN 5945-01-315-4065
NSN 5985-01-147-4519
NSN 4140-01-181-9669
NSN 5990-01-584-8363
NSN 5895-01-199-2511
NSN 5960-01-141-6489
NSN 5925-01-398-8244