6.450 in.Lg, with varying dia; air conditioning system, acft;
No other part numbers with same form, fit, and function found.
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 5965-00-189-9394
NSN 5855-01-481-8281
NSN 5950-00-424-3791
NSN 6105-01-543-6107
NSN 2925-00-455-2367
NSN 5910-01-421-9817
NSN 6150-01-435-8822
NSN 5998-00-956-2591
NSN 6240-01-394-7052
NSN 5990-00-258-0228
NSN 5975-01-484-0587
NSN 5925-00-220-6841