12 inches olng
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 6645-00-248-5434
NSN 5975-01-451-4799
NSN 5835-01-116-2369
NSN 5925-01-310-9632
NSN 6320-01-006-6138
NSN 5945-00-240-4397
NSN 5855-01-229-3864
NSN 5930-00-275-9268
NSN 5975-00-228-0227
NSN 6110-00-287-6521
NSN 5996-00-912-1602
NSN 5915-00-260-3791