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 5975-01-415-5650
NSN 5996-01-413-3353
NSN 2925-00-555-8836
NSN 6240-00-286-0742
NSN 6620-01-502-9104
NSN 6645-01-235-9465
NSN 6320-01-274-2501
NSN 6145-00-269-4271
NSN 5950-00-995-5675
NSN 5990-01-349-8132
NSN 5915-01-364-2251
NSN 5835-00-707-6266