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 7035-01-341-9098
NSN 5925-01-211-3412
NSN 6110-01-420-7576
NSN 5895-01-543-8139
NSN 5960-01-567-1096
NSN 6105-01-311-8228
NSN 6135-01-195-5343
NSN 5935-01-437-8005
NSN 5965-01-147-5847
NSN 5950-00-768-5218
NSN 5915-01-529-0577
NSN 5835-00-905-7165