Altered item dwg
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 4140-00-258-3612
NSN 6150-00-242-9439
NSN 5855-00-451-6155
NSN 5925-01-286-0189
NSN 5905-00-278-5764
NSN 4140-01-160-7391
NSN 5855-01-285-3483
NSN 5998-01-489-5917
NSN 6320-01-330-2138
NSN 6320-00-481-7291
NSN 2925-00-973-9413
NSN 5975-00-097-6282