Fiberglass with steel covering; lockheed dwg. 351439
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 5920-01-432-1155
NSN 5996-01-653-4930
NSN 6105-01-459-7235
NSN 5945-01-166-7334
NSN 5996-01-343-0651
NSN 5935-01-285-6766
NSN 5925-01-303-6057
NSN 5935-01-633-4260
NSN 6130-01-212-3331
NSN 5835-00-092-1136
NSN 6110-00-844-2564
NSN 5950-00-651-9564