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 6145-01-444-6802
NSN 6105-00-912-8958
NSN 5920-01-259-7410
NSN 5965-01-421-1244
NSN 6145-01-416-9523
NSN 5999-00-683-3508
NSN 6320-00-779-5923
NSN 5935-01-342-3380
NSN 5925-00-156-4044
NSN 5920-01-401-5315
NSN 6620-01-476-7355
NSN 5835-01-227-2318