Altered or selected item
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 5895-01-168-7157
NSN 6650-01-460-5837
NSN 5930-01-025-6678
NSN 6110-01-205-6276
NSN 5996-01-621-2425
NSN 6145-01-481-6105
NSN 6145-01-383-1681
NSN 5996-01-633-7979
NSN 5999-01-364-1186
NSN 5925-01-501-6465
NSN 5935-01-565-2527
NSN 2925-01-424-0235