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 6650-00-590-9073
NSN 5935-01-334-9771
NSN 6220-00-471-4011
NSN 6610-00-448-1264
NSN 6650-00-904-9485
NSN 5975-01-644-8056
NSN 5985-01-529-6380
NSN 5999-01-252-8092
NSN 6610-01-461-1644
NSN 6240-01-068-3491
NSN 5945-01-215-0710
NSN 5855-01-147-6024