Coupling, 0.250 in.Thk;
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 5835-00-198-4936
NSN 5935-01-085-6599
NSN 5895-01-474-6551
NSN 5925-00-223-9552
NSN 5965-01-471-6946
NSN 2925-00-200-0085
NSN 6620-01-090-3803
NSN 5950-01-435-8333
NSN 5945-00-148-2850
NSN 6610-01-070-9411
NSN 6150-01-431-0388
NSN 7035-00-193-2269