6 inches long
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 6650-01-076-6685
NSN 6610-01-546-5499
NSN 6645-01-303-8336
NSN 6685-01-224-9008
NSN 5855-01-594-7809
NSN 5835-01-113-4604
NSN 6240-01-460-9289
NSN 5985-00-295-3513
NSN 6650-01-375-8207
NSN 5985-01-383-7424
NSN 6320-00-583-3105
NSN 6620-00-631-4599