Used on f-4, phantom aircraft
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.
NSN 6105-01-648-2644
NSN 5999-01-437-5636
NSN 5895-01-516-5536
NSN 6650-01-610-9238
NSN 5855-01-583-6497
NSN 5905-01-190-5568
NSN 5950-00-081-2703
NSN 5999-01-234-0543
NSN 6645-01-256-3375
NSN 6320-00-098-2858
NSN 4140-01-491-7900
NSN 6220-00-945-4574