Fsc application data: aircraft auxiliary power unit;
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 6650-01-225-7284
NSN 6650-00-266-6808
NSN 6130-00-211-6270
NSN 5999-00-236-6173
NSN 5930-00-597-5064
NSN 5935-01-565-6837
NSN 5930-00-238-0959
NSN 5835-00-679-9769
NSN 5855-01-147-4785
NSN 4140-01-255-9155
NSN 5925-01-421-4276
NSN 6145-01-075-1042